Electrical Circuits Quiz

What is the unit of measurement for current?

• D) Watt

• B) Ohm

• C) Volt

• A) Ampere

What is the formula for calculating power in a circuit?

• A) P = I x E

• B) E = P/I

• C) I = P/E

• D) P = I x R

What is the function of a voltmeter?

• A) Measure current

• B) Test for correct voltage

• C) Measure resistance

• D) Test for continuity

In a series circuit, what is the total resistance?

• D) R = E/I

• C) R = P/I

• B) Sum of individual resistance

• A) R1xR2/R1+R2

What is the unit of measurement for resistance?

• D) Watt

• A) Ampere

• B) Ohm

• C) Volt

What is the purpose of a resistor in a circuit?

• D) Resist the current flow

• A) Increase current flow

• B) Decrease voltage

• C) Cause voltage drop

What is the formula for calculating power in an electrical circuit?

• A) P = I x E

• B) P = E/I

• C) P = I/E

• D) P = E x I

Tags

NGSS.HS-PS2-5

What is the function of a clamp-on ammeter?

• C) Measure resistance

• D) Test for continuity

• A) Measure current when clamped around a single conductor

• B) Test for correct voltage

What is the purpose of a transformer in electrical components?

• A) Control a mechanical device

• B) Step up/down current

• C) Measure current

• D) Test for continuity

What is the function of a fuse in an electrical circuit?

• A) Increase current flow

• B) Decrease voltage

• C) Protect the circuit from overcurrent

• D) Measure current