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October 11, 2021

The diode is connected in series with a 1.0 Ω resistor across an alternating voltage supply of peak value 10.0 V.

The diode is connected in series with a 1.0 Ω resistor across an alternating voltage supply of peak value 10.0 V. Determine the peak value of the diode forward current and the value of the series resistor which would limit the peak current to 5.0 A.
October 11, 2021

If sine waves of peak values (a) 0.1 V, (b) 1 V, (c) 5 V are connected in turn in series with the device described

If sine waves of peak values (a) 0.1 V, (b) 1 V, (c) 5 V are connected in turn in series with the device described in Q. 10 of Exercises 19 (see page 418), what is the peak current in each case, assuming that the diode is still operating within […]
October 11, 2021

Explain why the e.m.f. generated in a conductor of an alternating-current generator is seldom sinusoidal. A rectang

Explain why the e.m.f. generated in a conductor of an alternating-current generator is seldom sinusoidal. A rectangular coil of 55 turns, carried by a spindle placed at right angles to a magnetic field of uniform density, is rotated at a constant speed. The mean area per turn is 300 cm2. […]
October 11, 2021

A half-wave rectifier circuit is used to charge a battery of e.m.f. 12 V and negligible internal resistance. The si

A half-wave rectifier circuit is used to charge a battery of e.m.f. 12 V and negligible internal resistance. The sinusoidally varying alternating supply voltage is 24 V peak. Determine the value of resistance to be connected in series with the battery to limit the charging current to 1.0 A. What […]
October 11, 2021

A full-wave rectifier circuit supplies a 2000 Ω resistive load. The characteristics of the diodes used can be cons

A full-wave rectifier circuit supplies a 2000 Ω resistive load. The characteristics of the diodes used can be considered ideal and each half of the secondary winding of the transformer develops an output voltage of 230 V. If the mean current in the load is to be limited to 100 […]
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