1
AP EAPCET 2022 - 4th July Evening Shift
+1
-0

Capacitive reactance of a capacitor in an AC circuit is $$3 \mathrm{k} \Omega$$. If this capacitor is connected to a new AC source of double frequency, the capacitive reactance will become.

A
$$1.5 \mathrm{k} \Omega$$
B
$$3 \mathrm{k} \Omega$$
C
$$6 \mathrm{k} \Omega$$
D
$$5.2 \mathrm{k} \Omega$$
2
AP EAPCET 2022 - 4th July Morning Shift
+1
-0

A coil of inductance 0.1 H and resistance $$110 \Omega$$ is connected to a source of 110 V and 350 Hz . The phase difference between the voltage maximum and the current maximum is

A
$$\tan ^{-1}(1.5)$$
B
$$\tan ^{-1}(0.5)$$
C
$$\tan ^{-1}(1.73)$$
D
$$\tan ^{-1}(2)$$
3
AP EAPCET 2021 - 20th August Morning Shift
+1
-0

A 20 V AC is applied to a circuit consisting of a resistor and a coil with negligible resistance. If the voltage across the resistor is 12 V, the voltage across the coil is

A
16 V
B
10 V
C
8 V
D
6 V
4
AP EAPCET 2021 - 19th August Evening Shift
+1
-0

A bulb of resistance $$280 \Omega$$ is supplied with a 200 V AC supply. What is the peak current?

A
Nearly $$1 \mathrm{~A}$$
B
Nearly $$2 \mathrm{~A}$$
C
Nearly $$1.4 \mathrm{~A}$$
D
Nearly $$2.8 \mathrm{~A}$$
EXAM MAP
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