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Potentiometer

The correct r...

Question

The correct relation between $I$ , $I_{1}$ , $I_{2}$ , and $I_{3}$ for the given circuit is .

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Solution

In the parallel combination of resistors, the total current drawn from the power source is divided into each branch of the combination.
Hence, the correct relation between $I$ , $I_{1}$ , $I_{2}$ , and $I_{3}$ for the given circuit is $I = I_{1} + I_{2} + I_{3}$ .

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Q. For three circuits, shown here

the same two resistors R₁ and R₂ have been connected in parallel in all the circuits but the voltmeter and the ammeter have been connected in three different positions. The relation between the three voltmeter and ammeter readings would be :
(1) V₁ = V₂ = V₃ and I₁ = I₂ = I₃
(2) V₁ ≠ V₂ ≠ V₃ and I₁ = I₂ = I₃
(3) V₁ = V₂ = V₃ and I₁ ≠ I₂ ≠ I₃
(4) V₁ ≠ V₂ ≠ V₃ and I₁ ≠ I₂ ≠ I₃

Now what should be the correct relation between $I_{1}$ , $I_{2}$ and $I_{3}$ .

Identify correct relation for the circuit mentioned below, assuming the current $I_{3}$ flows through a conductor with zero resistance:

Q. In the circuit shown in figure, the rms current

I_{1}, I_{2} & I_{3}

, are altered by varying frequency

f

of the oscillator. The output voltage of the oscillator remains sinusoidal and has a fixed amplitude. Which curves in figure correctly indicate the variation with frequency of currents

I_{1}, I_{2} & I_{3}

Q. The currents

I_{1}, I_{2}, & I_{3}

in the circuit are respectively:

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