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Question 38

A galvanometer of internal resistance 50\(\Omega\) and full scale deflection of 20 mA is converted into a voltmeter by connecting a resistor of resistance 1950\(\Omega\) in series to it. Calculate the maximum voltage that can be read by the voltmeter

  • A.20V
  • B.30V
  • C.38V
  • D.40V
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2010
Question no.
#38
Type
Objective
Previous · Q37Determine the potential difference. V across the parallel resistors Next · Q39 In the wiring of houses, the fuse is connected to the wire coloured

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