# Pre Calculus

posted by .

The electricity in your house is alternating current because the current varies sinusoidally with time. The frequency of sinusoid is 60 cycles per second. Suppose at Time = 0 seconds the current is at its max of 5 amperes. Write an equation expressing current in terms of time

## Similar Questions

1. ### 12th Calculus

suppose that at any tiem t(sec) the current i(amp) in an alternating current circuit is i=2cost+2sint. What is the peak (largest magnitude) current for this circuit?
2. ### Physics

Consider a simple alternating current generator such as Hippolyte Pixii's dynamo. The current generated by such dynamo can be described as simple oscillating cosine signal. Assuming for simplicity that the max current generated each …
3. ### Pre-Calculas

The voltage E of an alternating current electrical circuit can be represented by the sinusoidal function E = 220 cos( t), where E is the measured in volts and t is measured in seconds. How long does it take the alternating current …
4. ### Physics Electricity and magnetism

A current with sinusoidal time-dependence, whose peak value is 3.55 A and frequency is 463 cycles per second, passes through a long straight wire. A rectangular 72.2 cm × 32.5 cm loop of copper wire is located 80.2 cm from the wire …
5. ### Physics

(a) In the LC circuit shown in the figure, the current is in the direction shown and the charges on the capacitor have the signs shown. At this time, a) the current is increasing and the charge on the positive plate is increasing. …
6. ### Physics

1.How are alternating and direct current different?
7. ### Physics Help!!!!!!!!!!!!!!!!

Suppose you were asked to develop a concept of "automobile current" ( a current formed by moving cars) for traffic on an interstate or busy street near you. a) what would be the units of "automobile current"?
8. ### physcial science

The type of current in your home is mostly A. direct current. B. alternating current. C. series current. D. produced by batteries.
9. ### physcial science

What type of current is produced by a battery?
10. ### Math

The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume?

More Similar Questions