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10th Grade > Physics

ELECTRICITY MCQs

Total Questions : 244 | Page 24 of 25 pages
Question 231. Electric current can flow freely in
  1.    conductors
  2.    insulators
  3.    semi insulators
  4.    none of above
 Discuss Question
Answer: Option B. -> insulators
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 232. The chemical energy of battery changes to
  1.    mechanical energy
  2.    kinetic energy
  3.    potential energy
  4.    electric potential energy
 Discuss Question
Answer: Option D. -> electric potential energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 233. To pass the maximum current, the ideal galvanometer should have
  1.    high resistance
  2.    moderate resistance
  3.    very low resistance
  4.    high potential
 Discuss Question
Answer: Option C. -> very low resistance
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 234. In electrolyte, the current is produced due to the flow of
  1.    positive charges only
  2.    negative charges only
  3.    no charges
  4.    positive and negative charges
 Discuss Question
Answer: Option D. -> positive and negative charges
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 235. The amount of energy supplied by the current in unit time is known as
  1.    electric power
  2.    potential difference
  3.    flow of light
  4.    flow of heat
 Discuss Question
Answer: Option A. -> electric power
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 236. Current that changes direction after equal intervals of time is called
  1.    direct current
  2.    electric charge
  3.    conventional current
  4.    alternating current
 Discuss Question
Answer: Option D. -> alternating current
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 237. In metal wires, the movement of free electrons in a particular direction under the influence of an external field causes the
  1.    flow of light
  2.    flow of heat
  3.    flow of current
  4.    flow of signals
 Discuss Question
Answer: Option C. -> flow of current
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 238. The value of resistance in insulators is
  1.    small
  2.    large
  3.    zero
  4.    can not be determined
 Discuss Question
Answer: Option B. -> large
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 239. The chemical energy of the battery changes to
  1.    mechanical energy
  2.    electrical potential energy
  3.    atomic energy
  4.    heat energy
 Discuss Question
Answer: Option B. -> electrical potential energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 240. The unit of electric power is
  1.    ms
  2.    watt
  3.    Pascal
  4.    farad
 Discuss Question
Answer: Option B. -> watt
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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