Alternating Current Multiple Choice Questions 1 PDF Download

Practice alternating current multiple choice questions (MCQs), A level physics test 1 online for exams. Practice transformers in physics MCQs questions and answers on transformers in physics, electric power, meaning of voltage, ac power with answers. Free alternating current quiz, online study guide has helping answer key with choices as 25 v in secondary coil, 50 v in secondary coil, 60 v in secondary coil and 100 v in secondary coil of multiple choice questions as if a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 v of potential difference, then potential difference in secondary coil would be to test learning skills for viva exam preparation and job's interview questions. Study to learn transformers in physics quiz questions to learn online MCQs for competitive exam preparation test.

MCQ on Alternating Current Quiz PDF Download Test 1

MCQ. If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be

  1. 50 V in secondary coil
  2. 25 V in secondary coil
  3. 60 V in secondary coil
  4. 100 V in secondary coil

D

MCQ. Generators at a power station produce electric power at voltage

  1. 45 kW
  2. 50 kW
  3. 60 kW
  4. 25 kW

D

MCQ. Equation which measures alternating voltage is

  1. Vsin ω
  2. sin t
  3. Vo sinωt
  4. V=IR

C

MCQ. In transformer, alternating current is induced in

  1. primary coil
  2. secondary coil
  3. iron core
  4. resistor

B

MCQ. High voltages lead to

  1. less power loss
  2. more power loss
  3. high current
  4. high resistance

A