Electric Current and Ohm's Law Questions and Answers
Electric Current and Ohm's Law
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25 questions
2. Ohm's Law defines the relationship between
- A) Voltage, Current, and Power
- B) Current, Voltage, and Resistance
- C) Resistance, Inductance, and Capacitance
- D) Charge, Energy, and Power
4. If resistance increases, for a constant voltage, current will
- A) Increase
- B) Decrease
- C) Remain same
- D) Become zero
6. A conductor has resistance 10 Ω and current 2 A flows through it. The potential difference is
- A) 5 V
- B) 10 V
- C) 20 V
- D) 2 V
7. Which of the following is a good conductor?
- A) Glass
- B) Silver
- C) Rubber
- D) Wood
8. The instrument used to measure current is
- A) Voltmeter
- B) Ammeter
- C) Galvanometer
- D) Wattmeter
9. The instrument used to measure voltage is
- A) Voltmeter
- B) Ammeter
- C) Rheostat
- D) Multimeter
10. Resistance of a conductor depends on
- A) Length and area
- B) Color
- C) Shape only
- D) Temperature only