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An emf of 96 mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20 A/s. The mutual inductance of the two coils is
10
Sep
An emf of 96 mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20 A/s. The mutual inductance of the two coils is An emf of 96 mV is induced in the windings of a coil when the current in a nearby [...]
A stone of mass m1 is dropped from the roof of a tall building at a same instant,another stone of mass m2 is dropped from a window 10 m below the roof. The distance between the two stones during their flight
10
Sep
A stone of mass m1 is dropped from the roof of a tall building at a same instant,another stone of mass m2 is dropped from a window 10 m below the roof. The distance between the two stones during their flight A stone of mass m1 is dropped from the roof of a tall building [...]
A self-induced wmf in a solenoid of inductance L changes in time asɛ=ɛ0e−kz. Assuming the charge is finite.find the total charge that passes a point in the wire of the solenoid.
10
Sep
A self-induced wmf in a solenoid of inductance L changes in time asɛ=ɛ0e−kz. Assuming the charge is finite.find the total charge that passes a point in the wire of the solenoid. A self-induced wmf in a solenoid of inductance L changes in time asɛ=ɛ0e−kz. Assuming the charge is finite.find the total charge that passes a [...]
A stone is dropped from the height 100 m from balloon which rises up from the ground. Find the velocity of the balloon at that moment if the stone reaches the ground 5 seconds after it was dropped.
10
Sep
A stone is dropped from the height 100 m from balloon which rises up from the ground. Find the velocity of the balloon at that moment if the stone reaches the ground 5 seconds after it was dropped. A stone is dropped from the height 100 m from balloon which rises up from the ground. [...]
A 2-H inductor carries a steady current of 5A. When the switch in the circuit is opened, the current is effectively zero after 10 ms. What is the average induced emf in the inductor during this time interval?
10
Sep
A 2-H inductor carries a steady current of 5A. When the switch in the circuit is opened, the current is effectively zero after 10 ms. What is the average induced emf in the inductor during this time interval? A 2-H inductor carries a steady current of 5A. When the switch in the circuit is opened [...]
A particle is moving along a straight line with constant acceleration. At the end of tenth second its velocity becomes 20m/s and tenth second it travels a distance of 10m. Then the acceleration of the particle will be.
10
Sep
A particle is moving along a straight line with constant acceleration. At the end of tenth second its velocity becomes 20m/s and tenth second it travels a distance of 10m. Then the acceleration of the particle will be. A block is moving down a smooth inclined plane staring from rest at time t=0 let Sn [...]
A particle moving along a straight line with a constant acceleration of −4m/s^2 passes through a point A on the line with a velocity of +8m/s at some moment. Find the distance travelled by the particle in 5 seconds after that moment.
10
Sep
A particle moving along a straight line with a constant acceleration of −4m/s^2 passes through a point A on the line with a velocity of +8m/s at some moment. Find the distance travelled by the particle in 5 seconds after that moment. A block is moving down a smooth inclined plane staring from rest at [...]
The current in a coil changes from 3.50 A to 2 A in the same direction in 5 s. if the average emf induced in the coil is 12 m V, what is the inductance of the coil?
10
Sep
The current in a coil changes from 3.50 A to 2 A in the same direction in 5 s. if the average emf induced in the coil is 12 m V, what is the inductance of the coil? The current in a coil changes from 3.50 A to 2 A in the same direction in [...]
The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity with which the middle point of the train passes the same point is
10
Sep
The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity with which the middle point of the train passes the same point is The two ends of a train moving with constant acceleration pass a certain point with velocities u and v. The velocity [...]
A car , moving with a speed of 50km/hr, can be stopped by brakes after at least 6m. If the same car is moving at a speed of 100km/hr, the minimum stopping distance is
10
Sep
A car , moving with a speed of 50km/hr, can be stopped by brakes after at least 6m. If the same car is moving at a speed of 100km/hr, the minimum stopping distance is A car can be stopped by brakes after at least 6m. If the same car is moving at a speed of [...]