A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a current of 10m2 flows through it. What value of resistance would convert it to read 10V at full- scale deflection?
A. 20 B. 100 C. 600 D. 900 E. 1000 Correct Answer: Option D – 900A 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. Correct Answer: Option D – 24 days
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...
A cell of e.m.f 1.5V and internal resistance 2.552 is connected in series with an ammeter resistance 0.50 and a load of resistance 7.00. Calculate the current in the circuit
A. 0.15A B. 0.20A C. 2.1OA D. 3.00A E. 6.67A Correct Answer: Option A – 0.15AProducts
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