Bridge Circuits-1 MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Bridge Circuits-1″.

1. Why wheatstone bridge is generally used in DC ciruit?
a) To determine resistance
b) To determine capacitance
c) To determine inductance
d) To determine flux

2. What should be the value of Rv, for the bridge to be balanced?
(Given that: R1=3 ohm, R3=6 ohm, R4=2 ohm)

a) 3 ohm
b) 2 ohm
c) 6 ohm
d) 1 ohm

3. Who invented wheatstone bridge?
a) Samuel wheatstone
b) Charles Wheatstone
c) Charles manes
d) Samuel Hunter Christie

4. Who invented Wien bridge?
a) Samuel Wein
b) Max Wein
c) Charles wheatstone
d) Samuel Hunter Christie

5. Wheatstone bridge can be used to calculate capacitance in AC circuits.
a) True
b) False

6. What is the deflection in galvanometer(Vg)?
(Given that: R1=3 ohm, R3=9 ohm, R4=6 ohm, Rv=2 ohm)

a) 90 degree deflection
b) 180 degree deflection
c) No deflection
d) 45 degree deflection

7. In a balanced wheatstone bridge, maximum current passes through galvanometer.
a) True
b) False

8. Wheatstone bridge with high DC input cannot be balanced.
a) True
b) False

9. What is will happen to the light(Lg)?
(Given that: R1=2ohm, R3=8 ohm, R4=4 ohm, Rv=1 ohm)

a) Light will flicker
b) Light will glow constantly
c) Light will not glow
d) Light will turn on for 5 second and then turn off

10. Who invented Schering Bridge?
a) Samuel Schering
b) Max Schering
c) Charles Wheatstone
d) Harald Schering

11. Which is a type of DC bridge?
a) Anderson Bridge
b) Wein Bridge
c) Kelvin Bridge
d) Schering Bridge

12. What should be the value of Rv and R4 for the bridge to be balanced?
(Given that: R1=4 ohm, R3=8 ohm,)

a) Rv = 3 ohm, R4 = 4 ohm
b) Rv = 2 ohm, R4 = 4 ohm
c) Rv = 6 ohm, R4 = 5 ohm
d) Rv = 1 ohm, R4 = 7 ohm

13. Which is a type of DC bridge?
a) Maxwell’s Bridge
b) Hay’s Bridge
c) Wheatstone Bridge
d) Schering Bridge

14. Which bridge is also called as Thompson Bridge?
a) Anderson Bridge
b) Wein Bridge
c) Schering Bridge
d) Kelvin Bridge

15. A galvanometer cannot be used for detecting and balancing AC (Alternating current) bridges.
a) True
b) False

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