Current, potential difference and resistance Quiz
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5 questions, one answer each
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1. A current of 0.50 A flows for 2.0 minutes. What charge passes?
- A. 1.0 C
- B. 60 C
- C. 0.0042 C
- D. 240 C
2. What is the energy transferred when 8.0 C of charge passes through a pd of 6.0 V?
- A. 1.3 J
- B. 0.75 J
- C. 14 J
- D. 48 J
3. A pd of 4.5 V produces a current of 30 mA in a resistor. What is the resistance?
- A. 0.15 Ω
- B. 150 Ω
- C. 135 Ω
- D. 6.7 × 10⁻³ Ω
4. Which statement defines the volt?
- A. One coulomb per second
- B. One joule per coulomb
- C. One ampere per ohm
- D. One watt per second
5. A charge of 360 C passes through a lamp in 4.0 minutes while the pd across it is 12 V. What is the resistance of the lamp?
- A. 8.0 Ω
- B. 0.125 Ω
- C. 30 Ω
- D. 4.0 Ω