1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

A transformer with turns ratio $$\frac{N_1}{N_2}=\frac{50}{1}$$ is connected to a $$120 \mathrm{~V}$$ AC supply. If primary and secondary circuit resistances are $$1.5 \mathrm{~k} \Omega$$ and $$1 \Omega$$ respectively, then find out power of output.

A
5.76 W
B
11.4 W
C
2.89 W
D
7.56 W
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

If maximum energy is stored in a capacitor at t = 0, then find the time after which current in the circuit will be maximum.

AIIMS 2019 Physics - Alternating Current Question 8 English

A
$$\frac{\pi}{2} \mathrm{~ms}$$
B
$$\frac{\pi}{4} \mathrm{~ms}$$
C
$$\pi \mathrm{~ms}$$
D
$$2 \mathrm{~ms}$$
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

In a $$L C R$$ series circuit source voltage is $$120 \mathrm{~V}$$ and voltage in inductor $$50 \mathrm{~V}$$ and resistance is $$40 \mathrm{~V}$$, then determine voltage in the capacitor

A
$$V_C=10(5-8 \sqrt{2})$$
B
$$V_C=10(5+8 \sqrt{2})$$
C
$$V_C=20(5+8 \sqrt{2})$$
D
$$V_C=10(5+7 \sqrt{2})$$
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

In a series R-C circuit shown in figure, the applied voltage is 10 V and the voltage across capacitor is found to be 8V. Then, the voltage across R and the phase difference between current and the applied voltage will respectively be

AIIMS 2018 Physics - Alternating Current Question 1 English

A
$$6 \mathrm{~V}, \tan ^{-1}\left(\frac{4}{3}\right)$$
B
$$3 V, \tan ^{-1}\left(\frac{3}{4}\right)$$
C
$$6 \mathrm{~V}, \tan ^{-1}\left(\frac{5}{3}\right)$$
D
None of these
AIIMS Subjects
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