Physics: Motion, Electricity & Energy

JKSSB Panchayat Account Assistant · Science · 8 practice questions with answers and explanations: 3 Easy, 3 Medium, 2 Hard.

Sample questions

Sample Easy question 1

The SI unit of electrical power is the:

  1. Volt
  2. Joule
  3. Watt
  4. Coulomb
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Answer: C. Electrical power is measured in Watts (W).

Sample Medium question 2

Voltage (electric potential difference) is measured in:

  1. Watts
  2. Volts
  3. Amperes
  4. Ohms
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Answer: B. Voltage, or electric potential difference, is measured in Volts (V).

Sample Hard question 3

Electrical energy consumed is calculated using the formula (Power × Time), commonly measured in households as:

  1. Kilowatt-hours (units)
  2. Volt-seconds
  3. Ohm-minutes
  4. Ampere-hours
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Answer: A. Household electrical energy consumption is billed in kilowatt-hours (kWh), i.e., power (kW) multiplied by time (hours).

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