- (A) zero
- (B) about 50 ohms
- (C) about 500 ohms
- (D) infinity
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Rl
- (B) Ri
- (C) either Rl or Ri
- (D) none of them
- (A) The current through each bulb in same
- (B) The voltage across each bulb is not same
- (C) The power dissipation in each bulb is not same
- (D) None of the above
- (A) increases
- (B) decreases
- (C) remains same
- (D) none of the above
- (A) reduce
- (B) increase
- (C) decrease
- (D) become zero
- (A) any electron from the orbit
- (B) first electron from the orbit
- (C) second electron from the orbit
- (D) third electron from the orbit
- (A) Reactor
- (B) Capacitor
- (C) Inductor
- (D) Resistor
- (A) it takes in proton
- (B) its atoms are removed
- (C) it gives away electrons
- (D) it gives away positive charge
- (A) 4 : 25
- (B) 25 : 4
- (C) 2 : 5
- (D) 5 : 2
- (A) collisions between conduction electrons and atoms
- (B) the release of conduction electrons from parent atoms
- (C) mutual collisions between metal atoms
- (D) mutual collisions between conducting electrons

