Question

mi. The efficiency of a single phase induction motor is
that of 3-phase induction
motor.
a) Less than
c) The same as
b) More than
d) None of the above
Two fuse wires of same materials and length have fusing currents of 10A & 5A. The 10A
fuse wire will have
a Smal diameter
c) Large diameter
b) The same diameter as 5A fuse d) None of the above
An instrument transformer transforms
a Frequency
c) Vorage
b) Current
Both voltage and current
GROUP B
Answer any of the four questions​

Answer 1

Explanation:

mi. The efficiency of a single phase induction motor is

that of 3-phase induction

motor.

a) Less than

c) The same as

b) More than

d) None of the above

Two fuse wires of same materials and length have fusing currents of 10A & 5A. The 10A

fuse wire will have

a Smal diameter

c) Large diameter

b) The same diameter as 5A fuse d) None of the above

An instrument transformer transforms

a Frequency

c) Vorage

b) Current

Both voltage and current

GROUP B

Answer any of the four questions