WHEATSTONE BRIDGE
... WHEATSTONE BRIDGE Objective: To study the Wheatstone bridge and its capabilities for the accurate measurement of voltage and ammeters across resistances Equipment: slide wire with movable contact, resistance boxes, galvanometer, switch, power supply, unknown resistances ...
... WHEATSTONE BRIDGE Objective: To study the Wheatstone bridge and its capabilities for the accurate measurement of voltage and ammeters across resistances Equipment: slide wire with movable contact, resistance boxes, galvanometer, switch, power supply, unknown resistances ...
Current Electricity
... Potential difference, V = I x R = nAevd x x l/A = nevd x x l. So drift speed is not dependent on area of cross-section but is inversely proportional to the length of the conductor. Drift speed does not depend upon the area of cross-section and it is inversely proportional to the length of the co ...
... Potential difference, V = I x R = nAevd x x l/A = nevd x x l. So drift speed is not dependent on area of cross-section but is inversely proportional to the length of the conductor. Drift speed does not depend upon the area of cross-section and it is inversely proportional to the length of the co ...
Problem Set 4 SOLUTION
... 2. 5 points. If the voltage at the terminals of an automobile battery drops from 12.3 to 9.8 V when a 0.5 Ω resistor is connected across the battery, what is the internal resistance? Before the 0.5 Ω resistor is connected, there is no current flowing in the battery, and what we measure at the termin ...
... 2. 5 points. If the voltage at the terminals of an automobile battery drops from 12.3 to 9.8 V when a 0.5 Ω resistor is connected across the battery, what is the internal resistance? Before the 0.5 Ω resistor is connected, there is no current flowing in the battery, and what we measure at the termin ...
Divider Circuits and Kirchoffs Law
... circuit. We know that the total current in a parallel circuit must equal the sum of the branch currents. This fact should be fairly obvious if you think of the water pipe circuit analogy with every branch node acting as a "tee" fitting, the water flow splitting or merging with the main piping as it ...
... circuit. We know that the total current in a parallel circuit must equal the sum of the branch currents. This fact should be fairly obvious if you think of the water pipe circuit analogy with every branch node acting as a "tee" fitting, the water flow splitting or merging with the main piping as it ...
Using multimeter
... Measurement errors and NULLing function When one measures the value of a resistor one connects the resistor to the DMM input terminals using cables. If the resistor one measures is very small, it is possible that the resistance of the cables themselves are comparable or even larger than the resistan ...
... Measurement errors and NULLing function When one measures the value of a resistor one connects the resistor to the DMM input terminals using cables. If the resistor one measures is very small, it is possible that the resistance of the cables themselves are comparable or even larger than the resistan ...
Tutorial 11
... Thus the potential at X can be assumed to be only affected by the two resistors at the top while the potential at Y can be assumed to be only affected by the two resistors at the bottom. Hence VX and VY are the same value (using potential divider rule on each branch). Therefore, the p.d. across the ...
... Thus the potential at X can be assumed to be only affected by the two resistors at the top while the potential at Y can be assumed to be only affected by the two resistors at the bottom. Hence VX and VY are the same value (using potential divider rule on each branch). Therefore, the p.d. across the ...
series circuit
... Conventional current is out of the positive side of a source and into the negative side. Conventional current is into the positive side of each resistor and out of the more negative side. ...
... Conventional current is out of the positive side of a source and into the negative side. Conventional current is into the positive side of each resistor and out of the more negative side. ...
Series and Parallel
... 2. Connect battery, a switch, and an ammeter in series. Place this in series with the 4 sockets. Be sure, that the negative terminal of the ammeter is toward the negative terminal of the battery. 3. Close the switch. Read and record the current value. Notice how bright the bulbs are. Open the switch ...
... 2. Connect battery, a switch, and an ammeter in series. Place this in series with the 4 sockets. Be sure, that the negative terminal of the ammeter is toward the negative terminal of the battery. 3. Close the switch. Read and record the current value. Notice how bright the bulbs are. Open the switch ...
Introduction
... Note 1: The total resistance of a series circuit is equal to the sum of all the resistances of the circuit. Note 2: Current is the same value through all the resistances. Note 3: The sum of the voltage drops across all resistances equals the voltage of the source. Note 4: The sum of the power consum ...
... Note 1: The total resistance of a series circuit is equal to the sum of all the resistances of the circuit. Note 2: Current is the same value through all the resistances. Note 3: The sum of the voltage drops across all resistances equals the voltage of the source. Note 4: The sum of the power consum ...
UNIT 2
... temperature and other physical conditions do not change. Directly proportional imples that doubling V doubles I, trebling V trebles I, or halving V halves I, and so on. This is obviously true from the table. In mathematical terms Ohm's law can be written as I V. Another way of stating Ohm's law woul ...
... temperature and other physical conditions do not change. Directly proportional imples that doubling V doubles I, trebling V trebles I, or halving V halves I, and so on. This is obviously true from the table. In mathematical terms Ohm's law can be written as I V. Another way of stating Ohm's law woul ...
Introduction - facstaff.bucknell.edu
... 1. Design an electronic angle indicator like the one shown in Figure 2 to display a range of angles between approximately −150° and +150° using a 1-k potentiometer and a power supply voltage of 1.5 V (to simulate an alkaline cell). The angular range is restricted because the potentiometers availabl ...
... 1. Design an electronic angle indicator like the one shown in Figure 2 to display a range of angles between approximately −150° and +150° using a 1-k potentiometer and a power supply voltage of 1.5 V (to simulate an alkaline cell). The angular range is restricted because the potentiometers availabl ...
Circuit Theory Laws
... • The current flowing through each component (IT, IR1, IR2, & IR3) • The voltage across each component (VT, VR1, VR2, & VR3) • Use the results to verify Kirchhoff’s Voltage Law. ...
... • The current flowing through each component (IT, IR1, IR2, & IR3) • The voltage across each component (VT, VR1, VR2, & VR3) • Use the results to verify Kirchhoff’s Voltage Law. ...
Em05: Series-Resonant LCR Circuit
... magnification factor for various resistances. To do this I set up a series circuit containing a capacitor, an inductor and a resistor. These instruments were connected to a signal generator and the circuit was used to plot resonance curves at various resistances. I also aimed to find the resonant fr ...
... magnification factor for various resistances. To do this I set up a series circuit containing a capacitor, an inductor and a resistor. These instruments were connected to a signal generator and the circuit was used to plot resonance curves at various resistances. I also aimed to find the resonant fr ...
Answers to Coursebook questions – Equation Chapter 1 Section
... If B burns out and the voltmeter is ideal, there will be zero current in the circuit. Because the current is zero the presence of lamp A is irrelevant and the voltmeter reads 12 V since its ends are effectively connected to the ends of the battery (that has zero internal resistance). ...
... If B burns out and the voltmeter is ideal, there will be zero current in the circuit. Because the current is zero the presence of lamp A is irrelevant and the voltmeter reads 12 V since its ends are effectively connected to the ends of the battery (that has zero internal resistance). ...
Placing a Digital Meter in Circuits - Cleveland Institute of Electronics
... You can place the meter on either side of the resistor. Notice the polarity of the meter leads are opposite from where they would be measuring voltage. 3Ω ...
... You can place the meter on either side of the resistor. Notice the polarity of the meter leads are opposite from where they would be measuring voltage. 3Ω ...
Unit Packet Contents
... Now that we know the current through each resistor we can use ohm’s law to find the voltage drop across each resistor. ...
... Now that we know the current through each resistor we can use ohm’s law to find the voltage drop across each resistor. ...
Pre-Lab: Electric Fields
... Choose the best answer. (10 points total) A galvanometer can be used as an ammeter or a voltmeter by combining it with an external resistor in a specific way. In the lab manual, Ig and r are called the galvanometer characteristics. 1. Which variable does the lab manual use to denote the internal res ...
... Choose the best answer. (10 points total) A galvanometer can be used as an ammeter or a voltmeter by combining it with an external resistor in a specific way. In the lab manual, Ig and r are called the galvanometer characteristics. 1. Which variable does the lab manual use to denote the internal res ...