1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A conducting circular loop is placed in a uniform magnetic field, B = 0.025 T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mm s$$-$$1. The induced emf when the radius is 2 cm, is
A
$$2\pi \mu V$$
B
$$\pi \mu V$$
C
$${\pi \over 2}\mu V$$
D
2$$\mu $$$$V$$
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drwn by the primary windings of the transformer is
A
3.6 ampere
B
2.8 ampere
C
2.5 ampere
D
5.0 ampere
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively

AIPMT 2010 Prelims Physics - Alternating Current Question 39 English
A
150V, 2.2A
B
220V, 2.2A
C
220V, 2.0A
D
100V, 2.0A
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is false for the properties of electromagnetic waves ?
A
Both electric and magnetic field vectors attain the maxima and minima at the same place and same time.
B
The energy in electromagnetic wave is divided equally between electric and magnetic vectors.
C
Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of wave.
D
These waves do not require any material medium for propagation.
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12