Maths-

General

Easy

Question

- 1
- 3
- 0
- 9

Hint:

### In this question, we will consider as x=3. Then we will evaluate and later put the value of x.

## The correct answer is: 0

### Related Questions to study

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### A meter bridge is set up as shown in figure, to determine an unknown resistance ‘X’ using a standard 10 ohm resistor. The galvanometer shows null point when tapping - key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determined value of ‘X’ is

### A meter bridge is set up as shown in figure, to determine an unknown resistance ‘X’ using a standard 10 ohm resistor. The galvanometer shows null point when tapping - key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determined value of ‘X’ is

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### To verify ohm’s law, a student is provided with a test resistor R_{T} , a high resistance R_{1} , a small resistance R_{2} , two identical galvanometers G_{1} and G_{2} , and a variable voltage source V. The correct circuit to carry out the experiment is

### To verify ohm’s law, a student is provided with a test resistor R_{T} , a high resistance R_{1} , a small resistance R_{2} , two identical galvanometers G_{1} and G_{2} , and a variable voltage source V. The correct circuit to carry out the experiment is

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### If by mistake, voltmeter is connected in series with the resistance then i-v curve expected is (Here i = reading of ammter ,v=reading of voltmeter)

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Gas masks containing activated charcoal to remove poisonous gases from atmosphere acts on the principle of :

Gas masks containing activated charcoal to remove poisonous gases from atmosphere acts on the principle of :

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