The potential difference across the resistance in the following circuit is measured by a voltmeter of
resistance. The percentage error made in reading the potential difference is
a) |
|
b) |
0.1 |
c) |
1.0 |
d) |
10.0 |
The potential difference across the resistance in the following circuit is measured by a voltmeter of
resistance. The percentage error made in reading the potential difference is
a) |
|
b) |
0.1 |
c) |
1.0 |
d) |
10.0 |
(c)
Before connecting the voltmeter, potential difference across resistance
Finally after connecting voltmeter across equivalent resistance
Final potential difference
% error
A heater coil cut into two equal parts and one part is connected with heater. Now heat generated in heater will be |
|||||||
a) |
Twice |
b) |
Half |
c) |
One-fourth |
d) |
Four times |
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