Unit 15 · Current Electricity
15 randomly selected questions from a bank of 60 · one attempt · 15 minutes on the clock.
Topics covered
- Electric current, conventional vs electronic current, and direct (DC) vs alternating (AC) current
- Potential difference, EMF, Ohm's law (and its limitations), and V-I characteristics of ohmic/non-ohmic conductors
- Resistance, factors affecting resistance, and resistor color coding
- Series and parallel combinations of resistors, with worked numerical problems
- Electrical power, Joule's law, and the cost of electrical energy
- Circuit components (switches, resistors, transducers, LDRs, thermistors) and electrical measuring devices (galvanometer, ammeter, voltmeter)
- Household electrical wiring (live/neutral/earth), hazards of electricity, and safety measures (fuses, circuit breakers, earthing)
Please fill in your name, class and roll/GR# to start the quiz.
Question 1 of 15
⏱ 15:00
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Answer Review — Step by Step Solutions
Leaderboard
All attempts on this device, stored locally with a unique session ID.
| # | Name | Class | Roll/GR# | Correct | % | Status | Date |
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