In a common-emitter transistor amplifier, the audio signal voltage across the collector is 3 V. The resistance of the collector is 3 k. If the current gain is 100 and the base resistance is 2 k, the voltage and power gain of the amplifier are:
1. 200 and 1000
2. 15 and 200
3. 150 and 15000
4. 20 and 2000
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn n-p-n transistor is connected in the common base configuration in a given amplifier. A load resistance of 800Ω is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuits is 192 Ω the voltage gain and the power gain of the amplifier will respectively be
1. 3.69,3.84
2. 4,4
3. 4,3.69
4. 4,3.84
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTransfer characteristic [output voltage vs input voltage ] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used:
1. in region III
2. both in region (I) and (III)
3. in region II
4. in region I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor a transistor, the current amplification factor is 0.8 when it is connected in the common base configuration. The transistor is now connected in common emitter configuration. The change in the collector current when the base current changes by 6 mA, is:
1. 6 mA
2. 4.8 mA
3. 24 mA
4. 8 mA
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the transistor circuit shown below, if = 100, the voltage drop between emitter and base is 0.7 V, then the value of will be:
1. 10 V
2. 5 V
3. 13 V
4. 0 V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the circuit shown in the figure, the input voltage Vi is 20 V, VBE = 0, and VCE = 0. The values of IB, IC and are given by:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a common-emitter transistor amplifier, the audio signal voltage across the collector is 3V. The resistance of the collector is 3k. If the current gain is 100 and the base resistance is 2k, the voltage and power gain of the amplifier are:
1. 15 and 200
2. 150 and 15000
3. 20 and 2000
4. 200 and 1000
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the CE transistor amplifier, the audio signal voltage across the collector resistance of 2k is 4V. If the current amplification factor of the transistor is 100 and the base resistance is 1k, then the input signal voltage is:
1. 10 mV
2. 20 mV
3. 30 mV
4. 15 mV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe input signal given to a CE amplifier having a voltage gain of 150 is . The corresponding output signal will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology