Electrical Measurements Mock Test 10

10%

Question 1 of 10

1. When an open circuited pn junction is illuminated then _________________

resistance increases

capacitance increases

electron hole pairs are formed

there is no effect

Question 1 of 10

Question 2 of 10

2. Recorder is a ________

musical tool

voltage source

measuring instrument

current divider

Question 2 of 10

Question 3 of 10

3. Most suitable material for a thermocouple is ________

platinum

brass

silver

gold

Question 3 of 10

Question 4 of 10

4. Frequency response of capacitive transducers is ________

medium

high

low

zero

Question 4 of 10

Question 5 of 10

5. Capacitance can be varied in ________

2 ways

4 ways

10 ways

6 ways

Question 5 of 10

Question 6 of 10

6. Semiconductor strain gauge uses _______

ordinary bridge circuit

power electronics circuitry

bridge circuit with temperature compensation

rectifier circuitry

Question 6 of 10

Question 7 of 10

7. When a compressive force is applied to a quartz crystal then ____________

no charge is induced

negative charges are induced

both positive and negative charges are induced

positive charges are induced

Question 7 of 10

Question 8 of 10

8. Sensitivity in a capsule is increased ________

through parallel connection of capsules

by not connecting them at all

through series and parallel connection of capsules

through series connection of capsules

Question 8 of 10

Question 9 of 10

9. If the sensing element is large, then less amount of heat is required.

True

False

Question 9 of 10

Question 10 of 10

10. Thermistor is a contraction _________

electric resistor

mechanical resistor

thermal resistor

laser resistor

Question 10 of 10