Conductor or Insulator?
A pencil eraser
A roof nail
A chop stick
Give another example of a conductor:
Give another example of an insulator:
Draw the electric field between two like
Draw the electric field between two opposite
What will happen to the charge if the distance
is tripled? (Show your work.)
The current of a resistor is 0.75 A when
it is connected to a 120 V circuit. What is its resistance?
The current in a handheld video game is
0.50 A. If the resistance in the gameís circuitry is 12 Ohms, what
is the voltage produced by the battery?
Conductors have _______ resistance.
Insulators have _______ resistance.
Semi-conductors have __________ resistance.
Superconductors have __________ resistance.
Draw the circuit on p 452 and label each
of the components.
Why is the symbol for a resistor a jagged
Why does the symbol for a light bulb have
a resistor in it?
Why is the symbol for a battery two parts
that donít touch?
When a switch is __________ current can pass through it.
Draw an open switch:
Draw a closed switch:
Why are xmas tree lights connected in the
wire in parallel rather than in series?
What is the power rating of a heater that
requires 30 A of 120 V current?
How much current does a light bulb pull
if it has a power rating of 100 W and is operated on 120 V?
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