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A person is manufacturing a house .He bought 20 ropes of wire which has a density of 300 Kg/m3.The height of the building to be constructed is 40 m .If the capacity of the current passed in the wire is 20 A and the voltage capacity is 80 Volts .Then what will be the opposing force to the current if the wire is used ?
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- V=IR; R=V/I; 80/20= 4 ohm
- 12 years agoHelpfull: Yes(11) No(0)
- MANISH is right. Ans is 4. As here opposing force means resistance.
- 12 years agoHelpfull: Yes(3) No(0)
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