Solid State Devices

151. The maximum operating frequency of a transistor should be _________ percent of the frequency cut-off of the transistor to ensure best performance.

1. 100
2. 20
3. 80
4. 50

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152. The maximum permissible number of electrons in the third orbit is

1. 18
2. 8
3. 32
4. 2

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153. The maximum reverse voltage that can be applied before current surges is called

1. Reverse recovery time
2. Maximum junction voltage
3. Forward voltage
4. Reverse breakdown voltage

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154. The maximum temperature the diode can operate before burning.

1. Maximum dissipation factor
2. Maximum junction temperature
3. Ambient temperature
4. Boiling temperature rating

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155. The merging of a free electron and a hole inside the silicon crystal

1. Covalent bond
2. Recombination
3. Merged electron
4. Valence bond

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156. The most important application of schottky diodes is in

1. Digital computers
2. Power supplies
3. Amplifier circuits
4. Voltage regulators

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157. The nucleus of a copper atom contains how many protons?

1. 2
2. 1
3. 18
4. 29

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158. The peak inverse voltage of a full wave center tapped rectifier circuit is equal to _________ of the input signal.

1. Thrice the peak
2. Twice the peak
3. One half
4. One third

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159. The peak inverse voltage of a half wave rectifier circuit is approximately equal to the _________ of the input signal.

1. Peak amplitude
2. Frequency
3. Voltage sinusoidal
4. Current

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160. The preferred form of biasing a JFET amplifier is through the

1. Voltage divider bias
2. Gate bias
3. Self bias
4. Source bias

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