# Basic Physics Quiz! Trivia Test

10 Questions | Total Attempts: 37

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• 1.
The formula to find I when the values of V and R are known is
• A.

I = VR

• B.

I = R/V

• C.

V = IR

• D.

I = V/R

• 2.
Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k.
• A.

27.2 mA

• B.

59 mA

• C.

5.9 mA

• D.

590 mA

• 3.
Materials with lots of free electrons are called
• A.

Conductors

• B.

Insulators

• C.

Semiconductors

• D.

Filters

• 4.
Current flows in a circuit when
• A.

A switch is opened

• B.

A switch is closed

• C.

The switch is either open or closed

• D.

There is no voltage

• 5.
A material that does not allow current under normal conditions is an
• A.

Insulator

• B.

Conductor

• C.

Semiconductor

• D.

Valence

• 6.
A multimeter measures
• A.

Current

• B.

Voltage

• C.

Resistance

• D.

Current, voltage, and resistance

• 7.
If a 6 V and a 9 V source are connected series aiding, the total voltage is
• A.

6V

• B.

9V

• C.

3V

• D.

15V

• 8.
Cut-off current in a fuse is the
• A.

Maximum value actually reached

• B.

R.m.s. value actually reached

• C.

Average value actually reached

• D.

None of these

• 9.
Using a high current fuse in a low current appliance is very
• A.

Safe

• B.

Dangerous

• C.

Necessary

• D.

Complicated

• 10.
A simple enclosed length of wire that has a low melting point is known as
• A.

Resistor

• B.

Fuse

• C.

Circuit breaker

• D.

Thermistor

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