ElectroMastery Entrance Assessment

1.

1) What is voltage?

A. The amount of electricity that flows through a wire

B. The force that pushes electricity through a wire

C. A rule that connects electricity and math

D. A tool that electricians use to test wires

2.

2) According to the passage, what does Ohm's Law say?

C. Voltage = Current × Resistance

3.

3) Why do electricians use the LOTO procedure?

B. To make sure the power cannot be turned on while someone is working

4.

4) What happens when electrical work fails an inspection?

B. The homeowner must pay a fine to the city

5.

5) In the passage, what does the author compare voltage to?

A. A kink in a hose

B. The amount of water in a bucket

C. Water pressure in a pipe

D. A light switch on a wall

6.

6) A circuit has a voltage of 12 volts and a resistance of 3 ohms. Using Ohm's Law (Voltage = Current × Resistance), what is the current?

B. 9 amps

7.

7) An electrician needs 3 pieces of wire. Each piece is 8 feet long. How many feet of wire does he need in total?

A. 11 feet

B. 24 feet

C. 21 feet

D. 18 feet

8.

8) A circuit breaker is rated for 20 amps. Right now it is carrying 13 amps. How many more amps can be added before the breaker trips?

A. 33 amps

B. 13 amps

C. 7 amps

D. 6 amps

9.

9) A 50-foot roll of wire costs $30.00. What is the cost per foot?

A. $0.50 per foot

B. $0.60 per foot

C. $1.50 per foot

D. $1.50 per foot

10.

10) A wall is 15 feet 6 inches long. How many total inches is that?

B. 186 inches

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