1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
In the circuit shown, if the 10 $$\Omega$$ resistor is replaced by a resistor of 15 $$\Omega$$, then what is the amount of current drawn from the battery?
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
A moving coil galvanometer has a resistance of 60 $$\Omega$$ and it indicates full deflection on passing a current of 4.5 mA. A voltmeter is made using this galvanometer and a 4.5 k$$\Omega$$ resistance. The maximum voltage, that can be measured using this voltmeter, will be close to
3
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
A potentiometer wire, 10 m long, has a resistance of 40$$\Omega$$. It is connected in series with a resistance box and a 4 V storage cell. If the potential gradient along the wire is 0.4 mV cm$$-$$1, the resistance unplugged in the box is
Questions Asked from Current Electricity (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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