Find at what time is the emf zero

Assignment Help Physics
Reference no: EM13309983

The current in a 90.0-mH inductor changes with time as I = 1.00t2 %u2013 6.00t (in SI units). Find the magnitude of the induced emf at

(a) t = 1.00 s and

(b) t = 4.00 s.

(c) At what time is the emf zero?

Reference no: EM13309983

Questions Cloud

Find out whether kc for the following reaction is less than : Use a table of Ka or Kb values to determine whether Kc for the following reaction is less than, equal to or greater than 1 CH3CO2- + HSO4- CH3CO2H + SO42-
What we are producing as architectural views : Decisions, constraints, and justifications. Here is where you note down and explain/justify decisions you have made (note past tense).
What is the angle of refraction for the beam : A beam of light is incident on a glass plate ( = 1.62) in air and the reflected ray is completely polarized. What is the angle of refraction for the beam
How does the engineering classification of soils differ : How does the engineering classification of soils differ from he engineering classification of rocks
Find at what time is the emf zero : The current in a 90.0-mH inductor changes with time as I = 1.00t2 %u2013 6.00t (in SI units). At what time is the emf zero
Compute the ph when sodium hydroxide is added : Calculate the pH when 16.00 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution.
Determine void ratio and the porosity of undisturbed soil : A sample of undisturbed soil has a dry weight of 10 lb and volumen of 1 ft^3. If the specific gravity of the soil solids is 2.65, determine the void ratio and the porosity.
What is the force acting on the speaker : The diagram of a speaker has a mass of 50.0g and responds to a signal of 2.0 khz by moving back and forth a with an amplitude of 1.8 X10^-4 m at that frequency. what is the force acting on the speaker
How deep hole would be formed as a result of the excavation : The Metrodome's inflatable roof covers 10.0 acres and its interior volume is 60.0x103 cubic feet. During construction, 40.0x103cubic yards of concrete, 11.9x103 tons of reinforcing steel, and 5.00x102 tons of structural steel were utilized.

Reviews

Write a Review

Physics Questions & Answers

  Determine the shear modulus of the wood

A plank 2.00 cm thick and 12.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood

  What is the charge of the larger sphere

A proton is suspended in a vacuum between two oppositely charged horizontal parallel plates. what is the charge of the larger sphere

  What is the total charge on the rod

A small glass bead charged to 6.9nC is in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod, What is the total charge on the rod

  What is the actual frequency being emitted

While snorkeling you hear a dolphin's sound as it approaches at 5.00 m/s. what is the actual frequency being emitted

  How far apart are the charges

if the magnitude of the force between two identical 100. microcoulomb negative charges is 9N. How far apart are the charges

  Find the weight w2 and the angle alpha

A 9.05 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 77.5 kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.

  What power is expended in the heater

A lamp (R = 146 omegacap.gif), an electric heater (R = 25 omegacap.gif), and a fan (R = 51 omegacap.gif) are connected in parallel across a 115 V line. What power is expended in the heater

  Find out the average resistance force exerted on him

A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, find out the average resistance force exerted on him by the water.

  Determine the change in the period of the heated pendulum

A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum

  Find the potential for points on the x axis

A positive point charge Q is on the y axis at y = D; a negative point charge -2Q is at the point x = D, y = D. Find the potential for points on the x axis

  Find the change in volume of the system

A system consisting of an ideal gas at the constant pressure of 120kPa gains 800J of heat, Find the change in volume of the system

  What impulse does this force exert on the stone

A 3.00kg stone is sliding to the right on a frictionless horizontal surface at 5.50m/s when it is suddenly struck by an object that exerts a large horizontal force on it for a short period of tim, What impulse does this force exert on the stone

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd