The ammeter reads
and the voltmeter
reads
The value of resistance
is (Assuming finite resistance’s of ammeter and voltmeter)
a) |
Exactly |
b) |
Less than |
c) |
More than |
d) |
We cannot definitely say |
The ammeter reads
and the voltmeter
reads
The value of resistance
is (Assuming finite resistance’s of ammeter and voltmeter)
a) |
Exactly |
b) |
Less than |
c) |
More than |
d) |
We cannot definitely say |
An electric heater kept in vacuum is heated continuously by passing electric current. Its temperature |
|
a) |
Will go on rising with time |
b) |
Will stop after sometime as it will loose heat to the surroundings by conduction |
c) |
Will rise for sometime and there after will start falling |
d) |
Will become constant after sometime because of loss of heat due to radiation |
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