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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
1 of 1
Analyzing
+4 | -1
Assertion (A) : If potential difference across two points is zero, current between these two points should be zero.
Reason (R): Current passing from a resistor
Reason (R): Current passing from a resistor
View answer and explanation
Correct option: D
If Assertion is false but the Reason is true.
Option D (If Assertion is false but the Reason is true) is correct because a zero potential difference does not necessarily imply zero current in all parts of a circuit, but Ohm's law is valid.
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Statement-1: If a resistor is connected to a battery the current decreases when the temperature increases.
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is
