1
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

A step-up transformer has 300 turns of primary winding and 450 turns of secondary winding. A primary is connected to 150 V and the current flowing through it is 9A. The current and voltage in the secondary are

A
$$13.5 \mathrm{~A}, 100 \mathrm{~V}$$
B
$$13.5 \mathrm{~A}, 225 \mathrm{~V}$$
C
$$4.5 \mathrm{~A}, 100 \mathrm{~V}$$
D
$$6.0 \mathrm{~A}, 225 \mathrm{~V}$$
2
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

An alternating emf of $$0.2 \mathrm{~V}$$ is applied across an L-C-R series circuit having $$R=4 \Omega, C=80 \mu \mathrm{F}$$ and $$L=200 \mathrm{~mH}$$. At resonance the voltage drop across the inductor is

A
10V
B
2.5V
C
1V
D
5V
3
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A 220 V input is supplied to a transformer. The output circuit draws a current of 2.0 A at 440 V . If the ratio of output to input power is 0.8 , then the current drawn by primary winding is

A
3.6 A
B
5.0 A
C
2.5 A
D
2.8 A
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A coil has inductance 2 H . The ratio of its reactance, when it is connected first to an $A C$ source and then to DC source, is

A
zero
B
1
C
less than 1
D
infinity
MHT CET Subjects
EXAM MAP