### Required time by the current to reach an initial value

Assignment Help Physics
##### Reference no: EM1312138

How long it will take for the current to reach 36.7% of its initial value in an inductive discharge circuit if R equals 1000 ohms and L equals 4 henrys?

(A)     40 sec
(B)     0.004 sec
(C)     0.001 sec
(D)     10 sec

### Write a Review

#### What impulse does an engine impart to the rocket

Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?

#### What is the magnitude of the tension in the string

Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..

#### What is the bens kinetic energy

What is the Bens kinetic energy

#### How far does tina drive before passing david

A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B.

#### What is the speed of plane over the ground

An airplane pilot wishes to fly due west. A wind of 88.0 km/h is blowing toward the south. What is the speed of plane over the ground in km/h.

#### What is least amount of work required by an external force

What is least amount of work required by an external force

#### Computing height at which the water will strike the building

A firefighter at a distance d from a burning building directs a stream of water from a fire hose at angle θi above the horizontal as shown in Figure. If the initial speed of the stream is vi. At what height h does the water strike the building?

#### What force is applied to the driver by his seat belt

Note the gravitational acceleration of equatorial sea level is g = 32.0088ft/s^2 and that its variation is 0.003ft/s^2/ 1000ft ascent. find the height in miles above its point for which g = 30.504 ft/s^2 and what is the weight of a 180lb man on top o..

#### Determine the width of the slit

He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.

#### The coefficient of volume expansion of coffee

The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker.

#### What is the change in kinetic energy of the puck

What is the change in kinetic energy of the puck

#### Compute the height from which the ball is thrown

A ball is tossed from an upper story window of a building. Compute the height from which the ball is thrown.