1
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
$$\tan ^{-1}(2)$$
2
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
3
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 $$2.8 \mathrm{~A}$$
4
AP EAPCET 2021 - 19th August Morning Shift
+1
-0

A resonant frequency of a current is $$f$$. If the capacitance is made four times the initial value, then the resonant frequency will become

A
$$\frac{f}{2}$$
B
$$2f$$
C
$$f$$
D
$$\frac{f}{4}$$
EXAM MAP
Medical
NEET