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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
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Understanding
+4 | -1
Choose the wrong statement regarding the experiment to identify a diode, an LED, a resistor and a capacitor
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Correct option: C
when pointer moves in one way when voltage is applied and not when reversed, the item is a resistor
Option C (when pointer moves in one way when voltage is applied and not when reversed, the item is a resistor) is the wrong statement because a resistor allows current flow in both directions.
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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