Ohms Law MCQ Questions & Answers | Electrical Engineering

1.
How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?

A. 1.2 A

B. 12 A

C. 120 mA

D. 12 mA

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2.
What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?

A. 183 Ω

B. 18.3 Ω

C. 66 Ω

D. 6.6 Ω

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3.
Four amperes of current are measured through a 24 Ω resistor connected across a voltage source. How much voltage does the source produce?

A. 960 V

B. 9.6 V

C. 96 V

D. 8 V

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4.
The ampere is the unit of resistance.

A. True

B. False

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5.
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

A. 8 V

B. 320 V

C. 3.2 V

D. 32 V

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6.
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange and silver?

A. 2 mA

B. 2.27 mA

C. 217 mA

D. 21.7 mA

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7.
Approximately how many milli-amperes of current flow through a circuit with a 40 V source and 6.8 kΩ of resistance?

A. 27.2 mA

B. 59 mA

C. 5.9 mA

D. 590 mA

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8.
If 750 µA is flowing through 11 kΩ of resistance, what is the voltage drop across the resistor?

A. 8.25 V

B. 82.5 V

C. 14.6 V

D. 146 V

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9.
According to Ohm's Law

A. V is directly proportional to I

B. V is inversely proportional to I

C. V is directly proportional to vI

D. All of the above

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10.
Approximately how much current flows through a 3.3 MO resistor across a 30 V source?

A. 9 µA

B. 90 µA

C. 900 µA

D. 9000 µA

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Ohms Law MCQ Questions & Answers | Electrical Engineering

1. How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?

Answer & Solution

2. What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?

Answer & Solution

3. Four amperes of current are measured through a 24 Ω resistor connected across a voltage source. How much voltage does the source produce?

Answer & Solution

4. The ampere is the unit of resistance.

Answer & Solution

5. If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

Answer & Solution

6. A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange and silver?

Answer & Solution

7. Approximately how many milli-amperes of current flow through a circuit with a 40 V source and 6.8 kΩ of resistance?

Answer & Solution

8. If 750 µA is flowing through 11 kΩ of resistance, what is the voltage drop across the resistor?

Answer & Solution

9. According to Ohm's Law

Answer & Solution

10. Approximately how much current flows through a 3.3 MO resistor across a 30 V source?

Answer & Solution

1.
How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?

2.
What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?

3.
Four amperes of current are measured through a 24 Ω resistor connected across a voltage source. How much voltage does the source produce?

4.
The ampere is the unit of resistance.

5.
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

6.
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange and silver?

7.
Approximately how many milli-amperes of current flow through a circuit with a 40 V source and 6.8 kΩ of resistance?

8.
If 750 µA is flowing through 11 kΩ of resistance, what is the voltage drop across the resistor?

9.
According to Ohm's Law

10.
Approximately how much current flows through a 3.3 MO resistor across a 30 V source?