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Friday, 03 April 2026
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Physics Past Questions and Answers

Physics Questions

Question 606:
Which of the following is most suitable for protecting the circuit of 2000W electric iron connected to a 250V mains?
  • A 13A
  • B 8A
  • C 5A
  • D 3A
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Question 607:
Electrical power is transmitted at a high voltage rather than low voltage because the amount of energy loss is reduced due to
  • A Heat dissipation
  • B Production of eddy currents
  • C Excessive current discharge
  • D Excessive voltage distance
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Question 608:
A lamp is rated 240V, 60W. The resistance of the filament is
  • A 960\(\Omega\)
  • B 16\(\Omega\)
  • C 15\(\Omega\)
  • D 4\(\Omega\)
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Question 609:
A 0 - 10mA galvanometer with a coil resistance of 30\(\Omega\) can be converted to a 0 - 10A ammeter by using
  • A 0.03\(\Omega\) series resistor
  • B 0.03\(\Omega\) shunt resistor
  • C 9.99\(\Omega\) shunt resistor
  • D 9.99\(\Omega\) series resistor
View Answer & Explanation
Question 610:
The number of neutrons contained in the nucleus \(^{238}_{92}U\) is
  • A 92
  • B 146
  • C 238
  • D 330
View Answer & Explanation