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Physics Problems and Solutions MCQs Quiz Online PDF Download eBook

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MCQs on Physics Problems and Solutions PDF Download eBook

MCQ: If the motor gets over loaded, then its

  1. slows down
  2. back EMF decreases
  3. back EMF increases
  4. both a and b


MCQ: With alternative current, the inductor behaves like

  1. resistor
  2. capacitor
  3. transistor
  4. wire


MCQ: A metal rod of 25 cm is moving at 0.5 m s-1 in direction perpendicular to 0.25 T magnetic field, the EMF produced is

  1. 0.12 × 10-2 V
  2. 1.12 × 10-2 V
  3. 3.12 × 10-2 V
  4. 2.12 × 10-2 V


MCQ: Law that states that direction of induced current is always as to oppose the change which causes the current, is

  1. Faradays law
  2. Lenz's law
  3. Newton's law
  4. motional EMF


MCQ: While grasping wire in right hand with thumb pointing to the direction of current is known as

  1. right hand rule
  2. left hand rule
  3. thumb hand rule
  4. both a and b