Last Updated On 16-03-2023 - By Jeesha Sara
A potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, the drift velocity will
a)
Be doubled
b)
Be halved
c)
Be quadrupled
d)
Remain unchanged
A potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, the drift velocity will
a)
Be doubled
b)
Be halved
c)
Be quadrupled
d)
Remain unchanged
Question ID - 150308 :-
A potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, the drift velocity will
a)
Be doubled
b)
Be halved
c)
Be quadrupled
d)
Remain unchanged
|
A potential difference is applied across the ends of a metallic wire. If the potential difference is doubled, the drift velocity will |
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|
a) |
Be doubled |
b) |
Be halved |
c) |
Be quadrupled |
d) |
Remain unchanged |
|
(a) Drift velocity is defined as the average velocity with which free electrons get defined towards the positive end of the conductor under the influence of an external electric field. Drift velocity is given by
(if
So, when the potential difference is doubled the drift velocity will be doubled. |
is length of the conductor and V is constant potential difference applied across the ends of the conductor)
Next Question :
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A silver voltameter of resistance |
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|
a) |
Decreases by 25% |
b) |
Increases by 25% |
c) |
Increases by 37.5% |
d) |
Decreases by 37.5% |
and a 
resistor are connected in series across a cell. If a resistance of 
is connected in parallel with the voltameter, then the rate of deposition of silverView Topper Answer
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