Physics Trivia: Practice Questions On Electricity And Energy!

9 Questions | By Padasalai10S | Updated: Mar 22, 2022 | Attempts: 1968

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Physics Trivia: Practice Questions On Electricity And Energy! - Quiz

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1.

The potential difference required to pass a current 0.2 A in a wire of resistance 20 ohm is ________
- A.
  
  100 V
- B.
  
  4 V
- C.
  
  0.01 V
- D.
  
  40 V
2.

Two electric bulbs have resistances in the ratio 1 : 2. If they are joined in series, the energy consumed in these are in the ratio _________
- A.
  
  1:2
- B.
  
  2:1
- C.
  
  4:1
- D.
  
  1:1
3.

Kilowatt-hour is the unit of __________
- A.
  
  Potential difference
- B.
  
  Electric power
- C.
  
  Electric energy
- D.
  
  Charge
4.

________ surface absorbs more heat than any other surface under identical conditions.
- A.
  
  White
- B.
  
  Rough
- C.
  
  Black
- D.
  
  Yellow
5.

The atomic number of natural radioactive element is _________
- A.
  
  Greater than 82
- B.
  
  Less than 82
- C.
  
  Not defined
- D.
  
  Atleast 92
6.

From the following statements write down that which does not represent ohm’s law.
- A.
  
  Current / potential difference = constant
- B.
  
  Potential difference / current = constant
- C.
  
  Current = resistance x potential difference
7.

Fill in the blanks Potential difference : voltmeter, then: current __________
- A.
  
  Ammeter
- B.
  
  Voltmeter
- C.
  
  Galvanometer
- D.
  
  Parapmeter
8.

Fill in the blanks Power plant : conventional source of energy then solar energy _____. (Non-conventional source)
- A.
  
  Conventional source
- B.
  
  Non-conventional source
9.

In the list of sources of energy given below, some of them are wrong. List out the wrong one. Wind energy, solar energy, hydro electric power, tidal energy,
- A.
  
  Wind energy
- B.
  
  Solar energy
- C.
  
  Hydro electric power
- D.
  
  Tidal energy