Quizotronics Round-1

Convert the following star network to delta network.

• 32 ohm, 2 ohm, 7 ohm

• 34 ohm, 8.5 ohm, 5.67 ohm

• 30 ohm, 6 ohm, 9 ohm

• None of the above

What will be the power dissipation across a germanium diode carrying a current of 35mA?

• 15 mW

• 20.5 mW

• 10.5 mW

• 10 mW

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For a common emitter current gain is 80. If the emitter current is 9 mA, then base current will be

• 8 mA

• 1/8 mA

• 1/81 mA

• 1/9 mA

The following truth table corresponds to the logic gate

• OR

• NAND

• NOR

• AND

• Demorgan's 1st theorem

• Demorgan's 2nd theorem

• Resonant frequency

• Barkhausen criteria

Drawback of envelope/diode detector is/are

• Diagonal clipping

• Negative clipping

• Both of the options

• None of the options

Which of the following doesn't require center tapped transformer

• Half wave rectifier

• Bridge rectifier

• Full wave rectifier

• None of the above

An inverting feedback amplifier has its input resistance of 1 Kohm and feedback resistance of 5 Kohm. Calculate Vo if Rf = 40 K.

• -3.5 V

• -4.5 V

• -3 V

• -4 V

• De Morgan's First theorem

• De Morgan's Second theorem

• Half Adder equation

• Full Adder equation