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Physics-

General

Easy

Question

Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer

The vlaue of the unknown resistor R is

13.75 $Ω$
220 $Ω$
110 $Ω$
55 $Ω$

The correct answer is: 220 $capital omega$

Related Questions to study

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1 $capital omega$ are connected to a 10 $capital omega$ resistor as shown in the figure

The current in the 10 $capital omega$ resistor is

A 5V battery with internal resistance 2 $capital omega$ and a 2V battery with internal resistance 1 $capital omega$ are connected to a 10 $capital omega$ resistor as shown in the figure

The current in the 10 $capital omega$ resistor is

physics-General

In the given circuit which is a part of a closed cirucit the current i₁, i₂ are respectively

In the given circuit which is a part of a closed cirucit the current i₁, i₂ are respectively

physics-General

The current i drawn from the 5volt source will be

The current i drawn from the 5volt source will be

physics-General

parallel

The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 $capital omega$ Then the value of the current drawn from the cell is

The e m f of a cell E is 15 V as shown in the figure with an internal resistance of 0.5 $capital omega$ Then the value of the current drawn from the cell is

physics-General

For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is

For a cell the graph between the p.d(v) across the terminals of the cells and the current (I) drawn from the cell as shown The e m f and inernal resistance is

physics-General

Voltmeter reading in the given circuit is (voltmeter is ideal)

Voltmeter reading in the given circuit is (voltmeter is ideal)

physics-General

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If in the circuit shown below, the internal resistance of the battery is 1 $capital omega$ and V_p and V_Q are the potentials at P and Q respectively, the potential difference between the points P and Q is

If in the circuit shown below, the internal resistance of the battery is 1 $capital omega$ and V_p and V_Q are the potentials at P and Q respectively, the potential difference between the points P and Q is

physics-General

Two cells of emf 4V and 8V are connected to two resister 4 $capital omega$ and 6 $capital omega$ as shown If 8V cell is short circuited Then current through resistance 4 $capital omega$ and 6 $capital omega$

Two cells of emf 4V and 8V are connected to two resister 4 $capital omega$ and 6 $capital omega$ as shown If 8V cell is short circuited Then current through resistance 4 $capital omega$ and 6 $capital omega$

physics-General

The isomer can be marked as-

The isomer can be marked as-

chemistry-General

parallel

The complexes given below are -

The complexes given below are -

chemistry-General

A square planar complex represented as it will show which isomerism -

A square planar complex represented as it will show which isomerism -

chemistry-General

A complex shown bellow-

A complex shown bellow-

chemistry-General

parallel

The complex ions $open square brackets C o open parentheses N H subscript 3 end subscript close parentheses subscript 5 end subscript open parentheses N O subscript 2 end subscript close parentheses close square brackets to the power of 2 plus end exponent$ and $open square brackets C o open parentheses N H subscript 3 close parentheses subscript 5 left parenthesis O N O right parenthesis close square brackets to the power of 2 plus end exponent$ are called $minus$

The complex ions $open square brackets C o open parentheses N H subscript 3 end subscript close parentheses subscript 5 end subscript open parentheses N O subscript 2 end subscript close parentheses close square brackets to the power of 2 plus end exponent$ and $open square brackets C o open parentheses N H subscript 3 close parentheses subscript 5 left parenthesis O N O right parenthesis close square brackets to the power of 2 plus end exponent$ are called $minus$

chemistry-General

Which of the following is pair of ionization isomers -

Which of the following is pair of ionization isomers -

chemistry-General

Which of the following set of isomerism is wrong-

Which of the following set of isomerism is wrong-

chemistry-General

parallel

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