Electronics- II

None

• Text for option 1 (required in all cases except open-ended & draw questions)
• Text for option 2 (required in all cases except open-ended & draw questions)
• Text for option 3 (optional)
• Text for option 4 (optional)

  In a single ended differential amplifier, the gain is 10. If the input at the non-inverting terminal is DC 2 mV and the input at the inverting terminal is DC 10 mV then the output will be

• – 80 mV
• +80 mV
• 120 mV
• None of the above

  In a single ended differential amplifier, the gain is 10. If the input at the non-inverting terminal is DC 2 mV and the input at the inverting terminal is DC -10 mV then the output will be

• – 80 mV
• +80 mV
• 120 mV
• None of the above

   In a digital circuit, Sink current refers to

• the ability of the digital output port to supply current.
• the ability of the port to receive current.
• both a) and b).
• none of the above.

   A differential amplifier is capable of amplifying

• DC input signal only
• AC input signal only
• AC & DC input signal
• None of the above

   The differential gain of a Differential Amplifier should be ………..

• very high
• very low
• dependent on input voltage
• about 100

   In a single ended differential amplifier, the gain is 10. If the input at the non-inverting terminal is DC 10 mV and the input at the inverting terminal is DC 2 mV then the output will be

• – 80 mV
• + 80 mV
• 120 mV
• None of the above.

   The common-mode gain of a Differential Amplifier should be ………..

• very high
• very low
• always unity
• unpredictable

In current sinking, the regulating transistor connects

• the load to ground.
• the load to DC power supply.
• both a) and b).
• none of the above

A Differential Amplifier amplifies

• Difference of the Input signal
• Input voltage having only large voltage amplitudes
• High frequency signals only
• None of the mentioned above