Ohm's Law - Assessment

1.

Multiple Choice

1 min

1 pt

If the voltage is increased and the resistance stays the same, current will ____.

Increase

Decrease

Stay the same

Not enough info

2.

Multiple Choice

1 min

1 pt

If the voltage stays the same and resistance is increased, current will ________.

Increase

Decrease

Stay the same

Not enough info

3.

Multiple Choice

45 sec

1 pt

What is the power of a 3V light bulb with 20 A running through it?

0.15W

6W

60W

6.67W

4.

Multiple Choice

1 min

1 pt

If a battery produces 12.6 Volts, what would be the current for a 6 Ohm resistor?

2.1 Amps

75.6 Amps

0.5 Amps

15 Amps

5.

Multiple Choice

1 min

1 pt

A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?

375 Amps

50 Amps

15 Amps

0.07 Amps

6.

Multiple Choice

1 min

1 pt

Voltage is measured in __.

volts.

watts.

coulombs.

7.

Multiple Choice

30 sec

1 pt

What does voltage mean?

The amount of energy per charge

The amount of power per charge

The amount of electrons per second

The amount of seconds per charge

8.

Multiple Choice

30 sec

1 pt

Potential difference is the same as...?

Voltage

Current

Power

Coulombs

9.

Multiple Choice

20 sec

1 pt

Batteries and power plants are examples of ______________.

energy sources

energy conduction

energy transformation

10.

Multiple Choice

10 sec

12 pts

How do you calculate resistance?

Current x Voltage

Voltage x Power

Voltage ÷ Current

Current ÷ Voltage

11.

Multiple Choice

30 sec

1 pt

What is the unit of measurement for resistance?

Voltage

Ampere

Watts

Ohms

12.

Multiple Choice

30 sec

1 pt

Which resistor will prevent the most current flow?

1 ohm

100 ohms

1000 ohms

0.5k ohms

13.

Multiple Choice

45 sec

1 pt

What is Resistance?

The flow of electrons

Electric potential difference

A battery

The ability to reduce the flow of electrons

14.

Multiple Choice

30 sec

1 pt

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm

3 Ohms

4 Ohms

12 Ohms

15.

Multiple Choice

1 min

1 pt

What is current measured in?

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

16.

Multiple Choice

1 min

1 pt

What is resistance measured in?

Ω (Ohms)

V (Volts)

A (Amps)

W (Watts)

17.

Multiple Choice

3 mins

1 pt

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

25 V

10 V

2.5 V

0.4 V

18.

Multiple Choice

30 sec

1 pt

The mathematical relationship among Voltage, Current, and Resistance

Faraday's Law

Tesla's Law

Edison's Law

Ohm's Law

19.

Multiple Choice

30 sec

1 pt

Current times Resistance equals
(I X R)

Power

Voltage

Amperage

Ohm

20.

Multiple Choice

30 sec

1 pt

Voltage divided by Resistance

(V / R)

Current

Power

Ohms

Watts

21.

Multiple Choice

30 sec

1 pt

Voltage divided by Current

(V / I)

Current

Power

Resistance

Watts

22.

Multiple Choice

30 sec

1 pt

If the Voltage is increased and the resistance stays the same, Current will

Increase

Decrease

Stay the same

X

23.

Multiple Choice

30 sec

1 pt

If the Voltage stays the same and Resistance is increased, Current will

Increase

Decrease

Stay the same

X

24.

Multiple Choice

30 sec

1 pt

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

2.1 Amps

2.4 Amps

1.71 Amps

15 Amps

25.

Multiple Choice

30 sec

1 pt

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor

12 volts

24 volts

1.3333

48 volts

26.

Multiple Choice

5 mins

1 pt

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

3 Amps

192 Amps

2 Amps

4 Amps

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