1
AIPMT 2002
+4
-1
To convert a galvanometer into a voltmeter one should connect a
A
high resistance in series with galvanometer
B
low resistance in series with galvanometer
C
high resistance in parallel with galvanometer
D
low resistance in parallel with galvanometer.
2
AIPMT 2002
+4
-1
A charge q moves in a region where electric field and magnetic field both exist, then force on it is
A
$$q\left( {\overrightarrow v \times \overrightarrow B } \right)$$
B
$$q\overrightarrow E + q\left( {\overrightarrow v \times \overrightarrow B } \right)$$
C
$$q\overrightarrow E + \overrightarrow q \left( {\overrightarrow B \times \overrightarrow v } \right)$$
D
$$q\overrightarrow B + \overrightarrow q \left( {\overrightarrow E \times \overrightarrow v } \right)$$
3
AIPMT 2002
+4
-1
The magnetic field of given length of wire for single turn coil at its centre is B then its value for two turns coil for the same wire is
A
B/4
B
B/2
C
4B
D
2B
4
AIPMT 2001
+4
-1
If number of turns, area and current through a coil is given by n, A and $$i$$ respectively then its magnetic moment will be
A
$$niA$$
B
$${n^2}iA$$
C
$$ni{A^2}$$
D
$${{ni} \over {\sqrt A }}$$
EXAM MAP
Medical
NEET