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A voltmeter consists of a 25(Omega) coil...

A voltmeter consists of a `25(Omega)` coil connected in series with a `575(Omega)`resistor. The coil takes 10mA for full scale deflection.What maximum potential difference can be measured on this voltmeter?

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Verified by Experts

`V = `R_eff xx i`
`= 600 xx 10 xx (10^-3) = 6V ` .
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HC VERMA-ELECTRIC CURRENT IN CONDUCTORS-Exercises
  1. A voltmeter of resistances 400(Omega)is used to measure the potential ...

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  2. The voltmeter shown in figure reads 18V across the 50(Omega)resistor. ...

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  3. A voltmeter consists of a 25(Omega) coil connected in series with a 57...

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  4. An ammeter is to be constructed which can read currents up to 2.0A. If...

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  5. A voltmeter coil has resistance 50.0(Omega)and a resistor of 1.15k(Ome...

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  6. The potentiometer wire AB shown in figure is 40 cm long. Where should ...

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  7. The potentiometer wire AB shown in figure is 50cm long.When AD=30cm, n...

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  8. A 6-volt battery of negligible internal resistance is connected across...

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  9. Consider the potentiometer circuit arranged as in figure.The petentiom...

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  10. Find the charge on the capacitor shown in figure

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  11. (a) Find the current in the 20(Omega)resistor shown in figure.(b)If a ...

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  12. Find the charge on the four capacirtors of capacitances 1(mu)F,2(mu)F,...

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  13. find the potential difference between th point A and B and between the...

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  14. A capacitance C, a resistance R and an emf (epsilon)are connected in s...

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  15. A parallel-plate capacitor with plate are 20cm^(2)and plate separation...

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  16. A capacitor of capacitance 10(mu)F is connected to a battery of emf 2V...

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  17. A 20(mu)Fcapacitor is joined to a battery of emf 6.0V through a resist...

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  18. The plates of a capacitor of capacitance 10(mu)F,charged to 60(mu)C,ar...

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  19. A capacitor of capacitance 8.0(mu)F is connected to a bettery of emf 6...

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  20. A parallel-plate capacitor of plate area 40 cm^2 and separation betwee...

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