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Analog Electronics

Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  none of them.
  5.3 %.
  0.53 %.
  5 %.

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 1MHz to 100 GHz
 100 KHz to 500 MHz
 1 KHz to 1 MHz
 1MHz to 500 MHz

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Analog Electronics
Darlington connection is achieved in 2 transistors by connecting

 both collector.
 grounding both collector.
 both emitter.
 both base.

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Analog Electronics
If the collector resistor is open, the collector voltage is

  low.
 unknown.
 high.
 unchanged.

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Analog Electronics
A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

 45.5 %.
 34.3 %.
 52.8 %.
 66.3 %.

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Analog Electronics
The voltage divider biasing circuit is used in amplifiers quite often because it

  limits the AC signal going to base.
  reduces the cost of the circuit.
  makes the operating point almost independent of β.
  reduces the DC base electric current.

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