Current, Resistance, and Power Quiz

A 3A current flows through a television. How long would it take for 1500C to flow through it?

• 4500s

• 500s

• 50s

• 450s

How much charge flows through a wire in 80s if the current is a constant 5.4A?

• 432C

• 360C

• 524C

• 344C

What is the resistance if the voltage is 10V and the current is 2A?

• 20 Ω

• 5 Ω

• 12 Ω

• 8 Ω

What is the resistance if the current is 2A and the voltage is 10V?

• 8 Ω

• 20 Ω

• 12 Ω

• 5 Ω

A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?

• 0.15 A

• 3600 A

• 6.25 A

• 0.16 A

What potential difference is required across an 8.0-Ω resistor to cause 2.0 A to flow through it?

• 4.0 V

• 16 V

• 8.0 V

• 32 V

The voltage supplied to a circuit is 17 V and the current running through is 10 A. What is the power generated?

• 170 W

• 170 A

• 1.7 V

• 1.7 W

What is the current flowing into a microwave oven that requires 700 W of power if the voltage difference is 120 V?

• 4.3A
• 6.3 A
• 5.83 A
• none

A heating element resistance is 24 ohms. The current measures 10 Amps. What is the power?

• 240 watts
• 1,200 watts
• 1,000 watts
• 2,400 watts

Calculate the POWER supplied by a 12A current flowing through a 20Ω resistor.

• 4800

• 2880

• 2000