NCCER Electrical module 3 (intro to
electrical circuits) Exam Questions And
Answers
a circuit has a source voltage of 50v and a current of 10A, what is
the power in watts? -
correct answer ✅500w
voltage is defined as the? -
correct answer ✅driving force that makes current flow in a circuit
if a curcuit has 12 amps of current and the resistance is 20 ohms,
the applied voltage is? -
correct answer ✅240 volts
if two 10 ohm resistors are connected in series, what is the total
resistance of the resistors? -
correct answer ✅20 ohms
to make sure the voltage is turned off before touching any
terminals, use a? -
correct answer ✅voltage tester
electrical circuits) Exam Questions And
Answers
a circuit has a source voltage of 50v and a current of 10A, what is
the power in watts? -
correct answer ✅500w
voltage is defined as the? -
correct answer ✅driving force that makes current flow in a circuit
if a curcuit has 12 amps of current and the resistance is 20 ohms,
the applied voltage is? -
correct answer ✅240 volts
if two 10 ohm resistors are connected in series, what is the total
resistance of the resistors? -
correct answer ✅20 ohms
to make sure the voltage is turned off before touching any
terminals, use a? -
correct answer ✅voltage tester
