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Electronic Devices and Circuits

Electronic Devices and Circuits
When avalanche breakdown occurs covalent bonds are not affected.

False
True

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Electronic Devices and Circuits
In a bipolar transistor, the emitter base junction has

Zero or reverse bias
Forward bias
Zero bias
Reverse bias

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Electronic Devices and Circuits
In a half wave rectifier, the load current flows

Only for the positive half cycle of the input signal
Only for the negative half cycle of the input signal
For full cycle
For less than fourth cycle

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Electronic Devices and Circuits
The most commonly used semiconductor material is

Mixture of silicon and germanium
None of these
Germanium
Silicon

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Electronic Devices and Circuits
Which of the following could be the maximum current rating of junction diode by 126?

1 A
20 A
100 A
10 A

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Electronic Devices and Circuits
A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is

99
1.01
0.99
100

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