As the load on a dc shunt motor is increased, its speed
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The air gap between stator and armature of an electric motor is kept as small as possible
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A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is
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In TV systems, equalising pulses are sent during
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For AM receivers the standard IF frequency is
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The modulation index of an FM is changed from 0 to 1. How does the transmitted power change?
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The main function of a balanced modulator is to
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In a TV receiver antenna the length of reflector rod
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One of the advantages of base modulation over collector modulation of a transistor class C amplifier is
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The direction of rotation of a CD is
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Leak type bias is used in plate modulated class C amplifier to
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A buffer amplifier is
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