Question: An ammeter is connected in __________ with the circuit element whose current we wish to measure?

• 1. Series
• 2. Parallel
• 3. Series or parallel
• 4. None of the above

Question: The sensitivity of a multimeter is given in _______________?

• 1. O
• 2. Amperes
• 3. kO/V
• 4. none of the above

Question: If a multimeter has a sensitivity of 1000 O per volt and reads 50 V full scale, its internal resistance is _____________?

• 1. 20 kO
• 2. 50 kO
• 3. 10 kO
• 4. None of the above

Question: The input resistance of a VTVM is about ______________?

• 1. 1000 O
• 2. 10 kO
• 3. 20 kO
• 4. 10 MO

Question: A certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?

• 1. the voltage gain will increase
• 2. the transconductance will increase
• 3. the voltage gain will decrease
• 4. the Q-point will shift

Question: If load resistance in the above question (Q.49) is removed, the output voltage will_____________?

• 1. increase
• 2. decrease
• 3. stay the same
• 4. be zero

Question: A n-channel D-MOSFET with a positive VGS is operating in _______________?

• 1. the depletion-mode
• 2. the enhancement-mode
• 3. cut off
• 4. saturation

Question: If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?

• 1. is increased
• 2. is decreased
• 3. remains the same
• 4. none of the above

Question: The transconductance of a JFET ranges from ________________?

• 1. 100 to 500 mA/V
• 2. 500 to 1000 mA/V
• 3. 0.5 to 30 mA/V
• 4. above 1000 mA/V

Question: The input impedance of a MOSFET is of the order of______________?

• 1. O
• 2. a few hundred O
• 3. kO
• 4. several MO