D.C. bridges are used for _________

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D.C. bridges are used for _________

Options:

A . measurement of resistance

B . measurement of capacitance

C . measurement of current

D . measurement of inductance

Answer: Option A
Answer: (a).measurement of resistance

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Question 1. A voltmeter has a sensitivity of 1000 Ω/V reads 200 V on its 300 V scale. When connected across an unknown resistor in....mA. The apparent resistance of the unknown resistor will be?

Question 2. A voltmeter has a sensitivity of 1000 Ω/V reads 200 V on its 300 V scale. When connected across an unknown resistor in....mA. The actual resistance of the unknown resistor will be?

Question 3. Ra and Rd are the opposite arms of a Wheatstone bridge as are Rc and Rb. The source voltage is applied across Ra and Rc.....bridge is balanced which one of the following is true?

Question 4. A 500 A, 50 Hz current transformer has a bar primary. The secondary burden is a pure resistance of 1 Ω and it draws a ....250 Ampere-turn for magnetization, the percentage ratio error is __________

Question 5. A voltmeter has a sensitivity of 1000 Ω/V reads 200 V on its 300 V scale. When connected across an unknown resistor in....due to the loading effect of the voltmeter is ________

Question 6. In the Wheatstone bridge shown below, if the resistance in each arm is increased by 0.05%, then the value of Vout will b....by 0.05%, then the value of Vout will be ________

Question 7. Unit of voltage sensitivity is _________....

Question 8. Bridge sensitivity is defined as _________....

Question 9. The source of error in a Wheatstone bridge is due to _________....

Question 10. The Wheatstone bridge is used for the measurement of _________....

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