- AMore than that of the first conductor.
- BLess than that of the first conductor.
- CEqual to that of the first conductor.
- DUncertain.
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The equivalent resistance of resistors connected in series is always
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(a) Equal to the mean of component resistors |
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(b) Less than the lowest of component resistors |
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(c) In between the lowest and the highest of component resistors |
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(d) Equal to sum of component resistors |
The resistance of a wire is R. If the length of the wire is doubled by stretching, then the new resistance will be
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(a) 2R |
(b) 4R |
(c) R |
(d) |
The log-log graph between the energy E of an electron and its de-Broglie wavelength λ will be
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(a)
|
(a)
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(c)
|
(d)
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An electric dipole is placed along the x - axis at the origin O. A point P is at a distance of 20 cm from this origin such that OP makes an angle with the x-axis. If the electric field at P makes an angle θ with the x-axis, the value of θ would be
|
(a) |
(b) |
(c) |
(d) |