Current Electricity Study Materials for Competitive Exams

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Current Electricity

Q. What is the voltage across a 12Ω resistor carrying a current of 3A? (2023)

Solution

Using Ohm's law, V = IR = 3A * 12Ω = 36V.

Correct Answer: A — 36V

Q. What is the voltage across a 5Ω resistor carrying a current of 3A? (2023)

Solution

Using Ohm's law, V = IR = 3A * 5Ω = 15V.

Correct Answer: A — 15V

Q. What is the voltage across a 5Ω resistor if a current of 3A flows through it? (2020)

Solution

Using Ohm's law, V = IR = 3A * 5Ω = 15V.

Correct Answer: A — 15V

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