Electrical Applications MS Quiz

220Ω, 1kΩ, and 47Ω resistors are connected in series. What is their total resistance?

• 12.67kΩ

• 1.267kΩ

• 126.7Ω

• 126kΩ

Use Ohm’s Law to calculate: A 12V power supply is connected to a circuit that has a total resistance of 400Ω. What is the value of the current passing through the circuit?

• 33.3A

• 30A

• 0.03A

• 3A

Use Ohm’s Law to calculate: A power supply is set to an unknown voltage. The current through the circuit is 4A, and the total resistance of the circuit is 30Ω. Calculate the voltage output of the power supply.

• 12V

• 12kV

• 120V

• 1.2V

What is a solder made of?

• Bronze and copper

• Bronze and tin

• Tin and lead

• Aluminum and lead

Use Ohm’s Law to calculate: A 9V power supply is connected to a circuit that has a total resistance of 1800Ω. What is the value of the current passing through the circuit?

• 5mA

• .05A

• 5A

• 50A

A 36V power supply is connected to a circuit that has a total resistance of 3kΩ. What is the value of the current passing through the circuit?

• 12mA

• 1.2mA

• 12A

• 48A

Use Ohm’s Law to calculate: An unknown resistor in a simple circuit is connected to a 3V power supply. The total current flowing through the circuit is 60mA. What is the resistance in the circuit?

• 500Ω

• 50Ω

• .5Ω

• 5Ω

A battery has what type of current?

• Alternating current

• Cross current

• Direct current

• None of the above

In a turbine generator, electrical energy is produced from __.

• chemical energy

• nuclear energy

• mechanical energy

• solar energy

Use Power Law to calculate: A light bulb is rated at 50 Watts. It is connected to a 100V power supply. What is the current flowing through it?

• 500mA

• 2A

• 5kA

• 50mA