A coil of 40 ohm resistance has 100 turns

Asked by admin @ 17/08/2021 in Physics viewed by 527 People

A coil of 40 ohm resistance, 100 turns and radius 6mm is connected to ammeter of resistance 160 ohm. coilis placed perpendicular to the magnetic field. when coil is taken out of the field 32 microcoulomb charge flows through it. the magnetic flux density is:

6.55T
5.66T
2.55T
0.566T
0.0566T

Answered by admin @ 17/08/2021

Avg current = total charge flow / time ...

A coil of resistance 10 ohm and 1000 turns

Asked by admin @ 10/08/2021 in Physics viewed by 326 persons

A coilof resistance 10 ohm and 1000 turns have the magnetic field of 5.5×10^-4 if the magnetic flux vhanged to 5×10^-4 in 0.1 sec then the induced charge in coil …

A galvanometer has a coil of resistance 100 ohm

Asked by admin @ 13/08/2021 in Science viewed by 284 persons

A galvanometer has a coil of resistance 100 ohm and gives a full scale deflection for 30 volt current

An inductive coil has a resistance of 100 ohm

Asked by admin @ 13/08/2021 in Physics viewed by 324 persons

An inductive coil has a resistance of 100 Ω. When an a.c. signal of requency 1000 Hz is fed to the coil, the applied voltage leads the current by 45°. …

A coil having n turns and resistance r ohm

Asked by admin @ 20/08/2021 in Physics viewed by 313 persons

A coil having n turns and resistance r ohm is connected with a galvanometer of resistsnce 4r ohm .this combination is moved in time t sec from a magnetic field …

A coil of inductance 300mh and resistance 2 ohm

Asked by admin @ 17/08/2021 in Physics viewed by 279 persons

A coil of inductance 300mh and resistance 2 ohm is connected to a source of voltage 2v . the current reaches half of its steady state value in

If a coil of 40 turns and area 4.0

Asked by admin @ 16/08/2021 in Physics viewed by 285 persons

If a coil of 40 turns and area 4.0 cm² is suddenly removed from a magnetic field, it is observed that a charge of 2.0×10⁻⁴ C flows into the coil. …

A heating coil has a resistance of 200 ohms

Asked by admin @ 16/08/2021 in Science viewed by 281 persons

heating coil has a resistance of 200 ohms at what rate will heat produced in it when a current of 2.5 flows through it

A coil of resistance 20 ohm and inductance 5h

Asked by admin @ 13/08/2021 in Physics viewed by 429 persons

A coil of resistance 10 ohm and an inductance of 5 henry is connected to a 100 volt battery. The energy stored in it is

A galvanometer coil has a resistance of 15 ohm

Asked by admin @ 13/08/2021 in Physics viewed by 390 persons

Question 4.28: A galvanometer coil has a resistance of 15 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre …

A galvanometer coil has a resistance of 12 ohm

Asked by admin @ 12/08/2021 in Physics viewed by 292 persons

a galvanometer coil has a resistance of 12 ohm and the meter shows full scale deflection of a current of 3mA. how will you convert the meter into voltmeter of …

Two resistors of resistance r1 100 3 ohm

Asked by admin @ 24/08/2021 in Physics viewed by 394 persons

Two resistors of resistances R 1 = 100+/- 3 ohm and R2= 200 +/- 4 ohm are connected (a) in series, (b) in parallel. Find the equivalent resistance of the …

A coil has resistance 30 ohm and inductive reactance

Asked by admin @ 17/08/2021 in Physics viewed by 279 persons

11. A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz frequency. If an acsource , of 200 volt, 100 Hz, is connected acrossthe …

An lcr series circuit with 100 ohm resistance

Asked by admin @ 29/08/2021 in Physics viewed by 329 persons

A LCR series circuit with 100 ohm resistance is connected to an ac source of 200 V and angular frequency of 300 rad/s. When only the capacitance is removed, the …

The resistance of a moving coil galvanometer is 20 ohm

Asked by admin @ 03/08/2021 in Physics viewed by 327 persons

the resistance of a moving coil galvanometer is 20ohm . it require 0.01A current for full scale deflection. Calculate the value of resistance require d to convert it into a …

Two resistors of resistances r1 100 3 ohm and r2

Asked by admin @ 04/08/2021 in Physics viewed by 348 persons

Two resistors of resistances R 1 = 100+/- 3 ohm and R2= 200 +/- 4 ohm are connected (a) in series, (b) in parallel. Find the equivalent resistance of the …