Download Physics Worksheet Lesson 18 Electric Current

Physics Worksheet
Electric Current
Do Now: Water Flow vs. Electric Current Models:
If an electric circuit consists of wires, a battery and a light
bulb, please compare the water flow in the following picture
to the electric current in a circuit:
Section:
Name:
3. Draw a simple electric circuit using symbols of wires, a
battery, and a light bulb. Then, overlay the three basic
physics quantities on the circuit.
Measuring Voltage & Current
4. We can measure the Voltage using _______________,
and its symbol is:
5. We can measure the Current using _______________,
and its symbol is:
Pump: _________________________________________
Water pipe: _____________________________________
Water Mill: _____________________________________
Height: ________________________________________
6. We can measure the Voltage, Current and Resistance
using:
_____________________________________________.
7. Draw a simple electric circuit using symbols. Then, add
the symbol of instruments in order to measure the voltage
and current of the circuit.
High PE Water: __________________________________
Low PE Water: __________________________________
Flow of Charge and Electric Circuits
1. Draw a simple electric circuit using wires, a battery, and a
light bulb, and draw the same circuit next to it using
symbols of them.
8. What is the Ohm’s Law:
________________________________________________
Formula: _______________________________________
Ohm’s Law
Formula: _______________________________________
2. List the three basic physics quantities in an electric circuit,
including their names, symbols, units, and symbols of
units.
Formula: _______________________________________
Physical Quantity
Symbol
Unit
Symbol
of Unit
Graph:
V
Relation: _________________
I
Mr. Lin
1