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Recent questions tagged galvanometer
+3
votes
1
answer
State the principle of working of a galvanometer. A galvanometer of resistance G is converted
asked
Jan 7, 2019
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+2
votes
1
answer
A current of 1A is flowing in the sides of an equilateral triangle of side 4.5 x10^-2 m. Find the
asked
Dec 27, 2018
in
Class 12
by
kratos
neet
galvanometer
cbse
aiims
moving charges and magnetism
jee advanced
current carrying conductor
class-12
+2
votes
1
answer
Increasing the current sensitivity of a galvanometer may not necessarily increase its voltage sensitivity. Explain, giving reason.
asked
Dec 3, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+3
votes
1
answer
For the circuit shown here, the galvanometer deflection equals (i) 15 divisions when the key K2 is kept open and
asked
Nov 8, 2018
in
JEE
by
kratos
galvanometer
cbse
electricity
jee
moving charges and magnetism
jee mains 2019
jee mains
current carrying conductor
class-12
current electricity
+2
votes
1
answer
A fine pencil of B-particles moving with a speed, enters a region (region I), where a uniform electric
asked
Oct 21, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+3
votes
1
answer
The current flowing in the galvanometer G when the key K2 is kept open is I. On closing the key K2,
asked
Oct 15, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+1
vote
1
answer
Describe the working principle of a moving coil galvanometer. Why is it necessary to use (i) a radial magnetic field and
asked
Sep 27, 2018
in
Class 12
by
kratos
isc
galvanometer
cbse
moving charges and magnetism
icse
current carrying conductor
class-12
+1
vote
1
answer
How is the generalized form of Ampere'* circuital law obtained to include the term due to displacement current ?
asked
Aug 11, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+1
vote
1
answer
Write the expression for the magnetic force vector F acting on a charged particle q moving with velocity vector V
asked
Jul 18, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+3
votes
1
answer
Figure shows current loop having two circular arcs joined by two radial lines. Find the magnetic field B at the center O.
asked
Jun 26, 2018
in
JEE
by
kratos
galvanometer
cbse
jee
moving charges and magnetism
jee mains 2019
jee advanced
jee mains
current carrying conductor
class-12
+1
vote
1
answer
Why is it necessary to introduce a cylindrical soft iron core inside the coil of a galvanometer ?
asked
Jun 20, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+2
votes
1
answer
(i) Why is the magnetic field radial in a moving coil galvanometer ? Explain how it is achieved ?
asked
Jun 15, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+3
votes
1
answer
Draw a labelled diagram of a moving coil galvanometer. Describe briefly its principle and working.
asked
Jun 13, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+1
vote
1
answer
In a moving-coil instrument, the coil is suspended in a radial magnetic field instead of a uniform magnetic field.
asked
Apr 26, 2018
in
JEE
by
kratos
isc
galvanometer
cbse
magnetic effects of electric current
jee
moving charges and magnetism
icse
jee mains
current carrying conductor
magnetism
class-12
electric current in conductors
+1
vote
1
answer
What is the importance of radial magnetic field in a moving coil galvanometer?
asked
Mar 9, 2018
in
JEE
by
kratos
isc
electromagnetic induction
galvanometer
cbse
jee
moving charges and magnetism
icse
jee mains
current carrying conductor
magnetism
class-12
electric current in conductors
+3
votes
1
answer
(i) What is the importance of a radial magnetic field and how is it produced ?
asked
Feb 7, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+3
votes
1
answer
A circular coil, having 100 turns of wire, of radius (nearly) 20 cm each, **** in the XY plane with its centre at the origin of co-ordinates
asked
Jan 29, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
+1
vote
1
answer
An ammeter of resistance 0.80 ohm can measure current up to 1.0 A. (i) What must be the value of shunt resistance
asked
Jan 22, 2018
in
Class 12
by
kratos
galvanometer
cbse
moving charges and magnetism
current carrying conductor
class-12
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