PV 101: BASIC PHOTOVOLTAICS EXAM READY - VERIFIED
QUESTIONS AND ANSWERS (NEWEST 2026)
1. Question: What is resistance?
ANSWER : A material's opposition to the flow of electric current, measured in
ohms ($\Omega$).
2. Question: What is Ohm's Law?
ANSWER : For any electrical circuit, current is directly proportional to
voltage and inversely proportional to resistance.
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3. Question: What is voltage?
ANSWER : Electromotive force (EMF), or the difference in potential between
two points.
4. Question: What is current?
ANSWER : The flow of electrons, measured in amps (A).
, 5. Question: True or False: Alternating current (AC) has a magnitude and
intensity that is always switching from positive-to-negative multiple times a
second.
ANSWER : True.
6. Question: How can 22,400 watts be expressed in kilowatts?
ANSWER : 22.4 kW.
7. Question: Which of the following is a measurement of electrical ENERGY:
Watts, kW, MW, or kWh?
ANSWER : kWh.
8. Question: Which of the following is a measurement of electrical POWER: kW,
Watt-hours, Volts, or Amps?
ANSWER : kW.
9. Question: How many watts are in 10 kW?
ANSWER : 10,000 watts.
10.Question: According to the EIA, how much electricity does the average
American home use each month?
ANSWER : 750–1,000 kWh.
11.Question: Complete the sentence: It takes one ____ to push one ____ through
one ____.
ANSWER : Volt, Amp, Ohm.
12.Question: How many amps of current are in a 10-volt circuit that has 2
$\Omega$ of resistance?
ANSWER : 5 Amps.
13.Question: How many volts are in a 10-$\Omega$ circuit that uses 11 amps of
current?
ANSWER : 110 Volts.
QUESTIONS AND ANSWERS (NEWEST 2026)
1. Question: What is resistance?
ANSWER : A material's opposition to the flow of electric current, measured in
ohms ($\Omega$).
2. Question: What is Ohm's Law?
ANSWER : For any electrical circuit, current is directly proportional to
voltage and inversely proportional to resistance.
Shutterstock
3. Question: What is voltage?
ANSWER : Electromotive force (EMF), or the difference in potential between
two points.
4. Question: What is current?
ANSWER : The flow of electrons, measured in amps (A).
, 5. Question: True or False: Alternating current (AC) has a magnitude and
intensity that is always switching from positive-to-negative multiple times a
second.
ANSWER : True.
6. Question: How can 22,400 watts be expressed in kilowatts?
ANSWER : 22.4 kW.
7. Question: Which of the following is a measurement of electrical ENERGY:
Watts, kW, MW, or kWh?
ANSWER : kWh.
8. Question: Which of the following is a measurement of electrical POWER: kW,
Watt-hours, Volts, or Amps?
ANSWER : kW.
9. Question: How many watts are in 10 kW?
ANSWER : 10,000 watts.
10.Question: According to the EIA, how much electricity does the average
American home use each month?
ANSWER : 750–1,000 kWh.
11.Question: Complete the sentence: It takes one ____ to push one ____ through
one ____.
ANSWER : Volt, Amp, Ohm.
12.Question: How many amps of current are in a 10-volt circuit that has 2
$\Omega$ of resistance?
ANSWER : 5 Amps.
13.Question: How many volts are in a 10-$\Omega$ circuit that uses 11 amps of
current?
ANSWER : 110 Volts.