Lab 3 Series and Par..
... calculated using your rule. In evaluating your results, consider the tolerance of each resistor by using the minimum and maximum values in your calculations. 5. Using the measurements you have made above and your knowledge of Ohm’s law, calculate the equivalent resistance (Req) of the circuit for ea ...
... calculated using your rule. In evaluating your results, consider the tolerance of each resistor by using the minimum and maximum values in your calculations. 5. Using the measurements you have made above and your knowledge of Ohm’s law, calculate the equivalent resistance (Req) of the circuit for ea ...
Electricity and Electronics Revision Questions Multiple Choice and
... resistor R3 and the corresponding current reading in the galvanometer (Ig) is noted. A graph of the current through the galvanometer is plotted against R3, the small change in the resistance of R3. Which of the following shows that graph? The total resistances between the terminals P and Q, of netw ...
... resistor R3 and the corresponding current reading in the galvanometer (Ig) is noted. A graph of the current through the galvanometer is plotted against R3, the small change in the resistance of R3. Which of the following shows that graph? The total resistances between the terminals P and Q, of netw ...
Ohm`s Law Problems
... What current would flow through a resistor of 20 ohms connected to a 12 V supply? • [A] 240 A • [B] 1.66 A • [C] 0.67 A (correct answer) • [D] 0.067A What current would flow through a resistor of 40 ohms connected to a 10 V supply? • [A] 400 A • [B] 4 A • [C] 0.25 A (correct answer) • [D] 0.025A A 1 ...
... What current would flow through a resistor of 20 ohms connected to a 12 V supply? • [A] 240 A • [B] 1.66 A • [C] 0.67 A (correct answer) • [D] 0.067A What current would flow through a resistor of 40 ohms connected to a 10 V supply? • [A] 400 A • [B] 4 A • [C] 0.25 A (correct answer) • [D] 0.025A A 1 ...
Electrical Test Equipment
... The Field Coil & Neutral Plane Test Head allows testing of series fields, interpoles and shunt fields. When used with the flux probe it is possible to test most coils in the machine without breaking the individual coil connections or isolating the coils from one another. The test quickly identifies ...
... The Field Coil & Neutral Plane Test Head allows testing of series fields, interpoles and shunt fields. When used with the flux probe it is possible to test most coils in the machine without breaking the individual coil connections or isolating the coils from one another. The test quickly identifies ...
Project 1: Basic Testing Circuit
... Select the range you need. You would usually start with the highest range and move to a lower range if you need more sensitivity. Measuring resistance: 1 on the display means that you need a higher range. For example, if you select the 200 scale and connect the probes to a 500 resistance, the dis ...
... Select the range you need. You would usually start with the highest range and move to a lower range if you need more sensitivity. Measuring resistance: 1 on the display means that you need a higher range. For example, if you select the 200 scale and connect the probes to a 500 resistance, the dis ...
Custom micro beam steering solutions
... Custom micro beam steering solutions Precision two-axis beam steering modules are easily integrated into portable instruments New Scale’s miniature M3 beam steering modules are designed for precise point-to-point positioning and dynamic movements up to 1K Hz. Our direct-drive piezoelectric motors in ...
... Custom micro beam steering solutions Precision two-axis beam steering modules are easily integrated into portable instruments New Scale’s miniature M3 beam steering modules are designed for precise point-to-point positioning and dynamic movements up to 1K Hz. Our direct-drive piezoelectric motors in ...
Electric Currents
... that the battery can no longer produce a measurable current. A good voltmeter does not draw much current, so it can still measure approximately the electromotive force of the battery, even if the battery has too much internal resistance to produce a measurable current. ...
... that the battery can no longer produce a measurable current. A good voltmeter does not draw much current, so it can still measure approximately the electromotive force of the battery, even if the battery has too much internal resistance to produce a measurable current. ...
Chapter 13
... that the battery can no longer produce a measurable current. A good voltmeter does not draw much current, so it can still measure approximately the electromotive force of the battery, even if the battery has too much internal resistance to produce a measurable current. ...
... that the battery can no longer produce a measurable current. A good voltmeter does not draw much current, so it can still measure approximately the electromotive force of the battery, even if the battery has too much internal resistance to produce a measurable current. ...
Basic Electronics for the New Ham (Outline)
... Measuring Current • There are two current ranges, high – up to 10 amps, and low – 200 milliamps (.2 amps) and below. • Internal fuses provide some meter protection for over current situations. – Because there is such a wide range of current scales, there are two physical probe jacks for the two ran ...
... Measuring Current • There are two current ranges, high – up to 10 amps, and low – 200 milliamps (.2 amps) and below. • Internal fuses provide some meter protection for over current situations. – Because there is such a wide range of current scales, there are two physical probe jacks for the two ran ...
11 - web page for staff
... Resonance occurs when the average stored magnetic and electric energies are equal, thus Ploss Zin R. ...
... Resonance occurs when the average stored magnetic and electric energies are equal, thus Ploss Zin R. ...
1em-dcmachinesstructureworkingtypes
... Poles and pole shoes: Poles are joined to the yoke with the help of bolts or welding. They carry field winding and pole shoes are fastened to them. Pole shoes serve two purposes; (i) they support field coils and (ii) spread out the flux in air gap uniformly. Field winding: Usually made of copper. Fi ...
... Poles and pole shoes: Poles are joined to the yoke with the help of bolts or welding. They carry field winding and pole shoes are fastened to them. Pole shoes serve two purposes; (i) they support field coils and (ii) spread out the flux in air gap uniformly. Field winding: Usually made of copper. Fi ...
Chapter #9 electric-current-circuits-chapter
... 17. What is the resistance of a 150 m long nichrome wire with a cross-sectional area 0.4 mm 2? 18. A metal wire is 7.2 cm long and 3.25 mm in diameter. What is the resistivity of the wire if its resistance is 1.75 Ω? 19. What length of 2.6 mm diameter aluminum wire would have a resistance of 40 Ω? 2 ...
... 17. What is the resistance of a 150 m long nichrome wire with a cross-sectional area 0.4 mm 2? 18. A metal wire is 7.2 cm long and 3.25 mm in diameter. What is the resistivity of the wire if its resistance is 1.75 Ω? 19. What length of 2.6 mm diameter aluminum wire would have a resistance of 40 Ω? 2 ...
Mechanism of electric conductance in crystals
... Problem 7. The bar made of carbon (ρ = 1.4 × 10-5 Ohm*m) The current flows through the bar in the direction shown by a blue arrow. L = 10 cm; W=5 mm; d = 2 mm. What is the resistance of the bar? ...
... Problem 7. The bar made of carbon (ρ = 1.4 × 10-5 Ohm*m) The current flows through the bar in the direction shown by a blue arrow. L = 10 cm; W=5 mm; d = 2 mm. What is the resistance of the bar? ...
Galvanometer
A galvanometer is a type of sensitive ammeter: an instrument for detecting electric current. It is an analog electromechanical actuator that produces a rotary deflection of some type of pointer in response to electric current through its coil in a magnetic field.Galvanometers were the first instruments used to detect and measure electric currents. Sensitive galvanometers were used to detect signals from long submarine cables, and to discover the electrical activity of the heart and brain. Some galvanometers use a solid pointer on a scale to show measurements; other very sensitive types use a miniature mirror and a beam of light to provide mechanical amplification of low-level signals. Initially a laboratory instrument relying on the Earth's own magnetic field to provide restoring force for the pointer, galvanometers were developed into compact, rugged, sensitive portable instruments essential to the development of electrotechnology. A type of galvanometer that records measurements permanently is the chart recorder. The term has expanded to include use of the same mechanism in recording, positioning, and servomechanism equipment.