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Physics Past Questions and Answers

Topic: Unit of inductance

Jamb Physics Questions - Unit of inductance

Question 1:
A bread toaster uses a current of 4A when plugged in a 24oV line. it takes 1 minute to toast slices of bread. what is the energy consumed by the toaster
  • A 5.76 x 10<sup style='font-size: smaller;'>4</sup>J
  • B 1.60 x 10<sup style='font-size: smaller;'>4</sup>J
  • C 3.60 x 10<sup style='font-size: smaller;'>3</sup>J
  • D 1.60 x 10<sup style='font-size: smaller;'>2</sup>J
View Answer & Explanation
Question 2:
The device in which one circuit controls another, especially if the current in the second circuit is large or dangerous is known as
  • A Electromagnetic devices
  • B Magnetic relay device
  • C None at all
  • D Sextant
View Answer & Explanation