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Physics-

General

Easy

Question

The total current supplied to the given circuit by the battery is

9 A
6 A
2 A
4 A

The correct answer is: 6 A

The equivalent circuit of the given circuit is as shown

Resistances 6 $capital omega$ and 2 $capital omega$ are in parallel
$therefore blank R to the power of ´ end exponent equals fraction numerator 6 cross times 2 over denominator 6 plus 2 end fraction equals fraction numerator 3 over denominator 2 end fraction capital omega$
Resistances $fraction numerator 3 over denominator 2 end fraction capital omega blank a n d blank 1.5 capital omega blank a r e blank i n blank s e r i e s$
$therefore blank R to the power of ´ ´ end exponent equals fraction numerator 3 over denominator 2 end fraction plus 1.5 equals 3 capital omega blank$
Resistances 3 $capital omega$ and 3 $capital omega$ are in parallel
$therefore blank R equals fraction numerator 3 cross times 3 over denominator 3 plus 3 end fraction equals fraction numerator 3 over denominator 2 end fraction$
The current, $I equals fraction numerator V over denominator R end fraction$
$equals fraction numerator 9 over denominator 3 divided by 2 end fraction equals 6 A$

Related Questions to study

A current of 2A flows in an electric circuit as shown in figure. The potential difference $left parenthesis V subscript R end subscript minus V subscript S end subscript right parenthesis$ , in volts( $V subscript R end subscript minus V subscript S end subscript$ are potentials at R and S respectively) is

A current of 2A flows in an electric circuit as shown in figure. The potential difference $left parenthesis V subscript R end subscript minus V subscript S end subscript right parenthesis$ , in volts( $V subscript R end subscript minus V subscript S end subscript$ are potentials at R and S respectively) is

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A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be

A 3 V battery with negligible internal resistance is connected in a circuit as shown in the figure. The current I, in the circuit will be

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The equivalent resistance between the points A and B will be (each resistance is
15 $capital omega$ )

The equivalent resistance between the points A and B will be (each resistance is
15 $capital omega$ )

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parallel

There resistances of 4 $blank capital omega$ each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between points A and D will be

There resistances of 4 $blank capital omega$ each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between points A and D will be

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A particle starts from rest at $t equals 0$ and moves in a straight line with an acceleration as shown below. The velocity of the particle at $t equals 3 s blank$ is

A particle starts from rest at $t equals 0$ and moves in a straight line with an acceleration as shown below. The velocity of the particle at $t equals 3 s blank$ is

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Period of $sin space open parentheses e to the power of text sont end text end exponent plus e to the power of text cur end text end exponent close parentheses$ is

Period of $sin space open parentheses e to the power of text sont end text end exponent plus e to the power of text cur end text end exponent close parentheses$ is

parallel

Period of $fraction numerator sin space left parenthesis x plus a right parenthesis over denominator cos space x end fraction$

Period of $fraction numerator sin space left parenthesis x plus a right parenthesis over denominator cos space x end fraction$

In a network as shown in the figure, the potential difference across the resistance 2R is (the cell has an emf of E volt and has no ingternal resistance)

In a network as shown in the figure, the potential difference across the resistance 2R is (the cell has an emf of E volt and has no ingternal resistance)

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In the adjoining figure the equivalent resistance between A and B is

In the adjoining figure the equivalent resistance between A and B is

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The charge on the capacitor of capacitance $C$ shown in the figure below will be

The charge on the capacitor of capacitance $C$ shown in the figure below will be

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Each resistance shown in figure is 2 $blank capital omega$ . The equivalent resistance between A and B is

Each resistance shown in figure is 2 $blank capital omega$ . The equivalent resistance between A and B is

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The equivalent resistance across A and B is

The equivalent resistance across A and B is

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parallel

Figures i) and ii) below show the displacement-time graphs of two particles moving along the $x$ -axis. We can say that

Figures i) and ii) below show the displacement-time graphs of two particles moving along the $x$ -axis. We can say that

physics-General

The graph of displacement $v divided by s$ time is

Its corresponding velocity-time graph will be

The graph of displacement $v divided by s$ time is

Its corresponding velocity-time graph will be

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Period of $fraction numerator 2 sin space 2 x minus 5 cos space 2 x over denominator 7 cos space x minus 8 sin space x end fraction$ is

Period of $fraction numerator 2 sin space 2 x minus 5 cos space 2 x over denominator 7 cos space x minus 8 sin space x end fraction$ is

parallel

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