Physics 1995 WAEC Past Questions

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Which of the following statements are not true of a moving-coil milliammeter? I. It can be used to measure alternating current II. It has a linear scale III. It can be adapted to read higher values of currents IV. A resistor connected in parallel with the milliammeter would convert it to a voltmeter

A. I and IV only
B. II and III only
C. III and IV only
D. I, II and III only
E. I, III and IV only

View Answer & Discuss (6) WAEC 1995

A radioactive nuclide of mass 6.09 has a half-life of 8 days. Calculate the time during which 5.25g of the nuclide would have decayed

A. 1 day
B. 2 days
C. 8 days
D. 24 days
E. 42 days.

View Answer & Discuss (13) WAEC 1995

A moving-coil meter with an internal resistance of 100 Ω has a full-scale deflection when a current of 10 mA flows through it. What value of resistance would convert it to read 10 V at full-scale deflection?