DELHI SCHOOL TEACHERS FORUM
CLASS -12  PHYSICS   Lesson -7 (Alternating Current) based on Class held on 16/10/2020.     Disclaimer : DSTF will not be responsible for any mistake in Test.
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1. The SI unit of Inductive Reactance is *
1 point
2. Capacitive Resistance is analogous to which of the following quantity. *
1 point
3. The inductive reactance of a coil of 0.2 H inductance in ohm at a frequency of 60 Hz is *
2 points
4. The inductive reactance of a coil  ________with increase in the frequency. *
1 point
5. . The angular frequency of a.c. at which a coil of inductance 1 mH has a reactance of 1 Ω is *
1 point
6. . A series AC circuit has a resistance of 4Ω and a reactance of 3Ω. The impedance of the circuit is. *
2 points
7.  Match the Column with correct True/False. *
4 points
TRUE
FALSE
When the capacitance of capacitor is increased, then capacitive resistance will decreased.
Capacitive Reactance increases with increase in the frequency of current.
Inductive Reactance is a Vector Quantity.
Capacitive Reactance is a Scalar Quantity.
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