Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 169

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For the circuit shown in the figure, the equivalent resistance between $A$ and $B$ is

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Important Questions on Current Electricity

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 170

The equivalent resistance between $P$ and $Q$ in the figure is approximately.

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 171

If an electric current is passed through a nerve of a man, then man

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 172

If potential

V = 100 \pm 0.5 V

and current

I = 10 \pm 0.2 A

are given to us. Then, what will be the value of resistance?

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 173

Which of the following is vector quantity?

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 174

Given three equal resistors, how many different combinations of all the three resistors can be made?

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 175

If a resistance $R_{2}$ is connected in parallel with the resistance $R$ in the circuit shown, then possible value of current through $R$ and the possible value of $R_{2}$ will be

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 176

Two wires of same metal have the same length but their cross-sections are in the ratio

3 : 1

. They are joined in series. The resistance of the thicker wire is

10 Ω

. The total resistance of the combination will be

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 2 - Current Electricity>Objective Problems [ Level 1 ]>Q 177

Three unequal resistors in parallel are equivalent to a resistance

1 Ω

. If two of them are in the ratio

1 : 2

and if no resistance value is fractional, the largest of the three resistances in ohms is