Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Electricity
Alternating Current
What is the polarity of an alternating current supply
1 answer
The polarity of an alternating current (AC) supply is constantly changing. AC current reverses direction periodically, which causes the polarity to alternate.
You can
ask a new question
or
answer this question
.
Related Questions
The potential difference measured across a coil is 20 V
when a direct current of 2 A is passed through it. With an alternating
An alternating current and a direct current flows simultaneously in the same conductor. if the effective value of the
Which of the following best describes a direct current?(1 point)
a stationary electrical charge the flow of electric charges
a d'arsonval meter movement deflects to 0.8mA. what is the peak value of the alternating current if the instrument uses
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
Three similar ideal cells (no internal resistances) supply current of 0.5 Ampere to a 10 Ohms resistor when they are in the
Calculate the heat energy produced in 2 minutes the following currents flowing through a circuit having a total resistance of 15
A coil of inductance 0.04henry and negligible resistance is connected in parallel with a 10ohms resistor, across a 240volts
Sort the following sentences into evidence or not evidence to support the process of seafloor spreading.
1. Magnetic rocks near
Which option most accurately describes alternating current?
current that moves in one direction throughout a circuit current that