Determine the resistance of the bulb''s filament

Reference no: EM13339908

A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.703 A) sin [(257 rad/s)t].

(a) What is the frequency of the alternating current?

(b) Determine the resistance of the bulb's filament.

Reference no: EM13339908

Questions Cloud

What is the maximum enlargement : An enlarging camera has a maximum extension of 4 ft between the negtive and the paper. what is the maximum enlargement that can be made with this equipment

For how many values of theta will there be strong reflection : The planes of atoms in a cubic crystal lie parallel to the surface, 0.74 nm apart. X rays having wavelength 0.40 nm are directed at an angle theta to the surface.

How far is the car lifted : In a hydaulic lift the radius of the pistons are 1.75cm and 17.5cm. A car weighing 19.6kN is to be lifted by the force of the large piston. how far is the car lifted

Give a recursive definition of a singly linked list : Give a C++ code fragment that, given an×n matrix M of type float, replaces M with its transpose. Try to do this without the use of a temporary matrix.

Determine the resistance of the bulb''s filament : A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.703 A) sin [(257 rad/s)t]. Determine the resistance of the bulb's filament

Which respectively represent the name of the flower : Write a C++ class, Flower, that has three member variables of type string, int, and float, which respectively represent the name of the flower, its number of pedals, and price.

What is speed of the lock after it has fallen 2m from rest : A 8kg block is attached to a light rope that passes over a uniform disk-shaped 4kg pully of radius 0.6m without slipping. On the other side of the puly the rope is attached to a light unstreched spring with a stiffness

Write a program that allows user to input students names : Write a program that allows the user to input the students' names followed by their test scores and outputs the following.

How many units of output will a profit-maximizing producer : If the Marginal Revenue is constant (the same) at $10 for all levels of output, how many units of output will a profit-maximizing producer make if the Marginal Cost schedule is as shown?

User Account

All Pages