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In a Wheatstone bridge P = Q = 10 ohm an...

In a Wheatstone bridge P = Q = 10 ohm and R = S = 15 `Omega` and G = 20 `Omega` and a cell of e.m.f. 1.5 V is connected in circuit. The current drawn from the cell is:-

A

0.125 A

B

0.060 A

C

0.025 A

D

0.021 A

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The correct Answer is:
A
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MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -II)
  1. In a Wheatstone bridge P = Q = 10 ohm and R = S = 15 Omega and G = 20 ...

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  2. A galvanometer has resistance 100 Omega and it requires current 100 mu...

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  3. An unknown resistance X is to be determined using resistances R1, R2 o...

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  4. Consider a cylinderical element as shown in the figure. Currents flowi...

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  5. A resistance of 2Omega is connected across one gap of a metre-bridge(t...

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  6. Column I gives some devices and Column II gives some processes on whic...

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  7. Figure shows three resistor configurations R1,R2 and R3 connected to 3...

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  8. Statement-1 : In a Meter Bridge experiment, null point for an unknown ...

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  9. For the circuit shown in the figure

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  10. Consider a thin square sheet of side L and thickness t, made of a mate...

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  11. Incandescent bulbs are designed by keeping in mind that the resistance...

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  12. To verify Ohm's law, a student is provided with a test resistor RT, a ...

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  13. When two identical batteries of internal resistance 1Omega each are co...

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  14. A meter bridge is set up as shown, to determine an unknown resistance ...

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  15. Two batteries of different emfs and different internal resistances are...

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  16. For the resistance network shown in the figure , choose the correct op...

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  17. Two ideal batteries of emf V(1)andV(2) and these resistances R(1),R(2)...

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  18. Heater of an electric kettle is made of a wire of length L and diamete...

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  19. A galvanometer gives full scale deflection with 0.006 A current . By c...

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  20. In an aluminium (Al) bar of square cross section, a square hole is dri...

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  21. In the following circuit, the current through the resistor R (=2Omega)...

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