Electric Circuits Answers

How does the strength of the magnetic field that is 1 cm from a current-carrying 

       wire compare with the strength of the magnetic field that is 4 cm from the wire?

At what distance a long, straight wire carrying a current of 3 A can develop a

        magnetic field of 7x10-7 T

 Find the current in a long, straight wire needed to develop a magnetic field of    

       5x10-7 T at 6m from the wire.

Find the magnetic field at a distance 3m from a long, straight wire carrying a

      current of 2 A.

The voltage across a 10 μF capacitor to charge it with 10 mC is

Two long, straight, parallel wires, 10.0 cm apart, carry equal 4 A currents in the same direction as shown. Find the magnitude and direction of the magnetic field at (a) point P1(midway between the wires), (b) point P2 and (c) point P3.

How do I calculate inpedance in a circuit

The kettle's added power is 2.1 kW and it takes 1 min

and 55 s for the water to boil.

Calculate how much energy is required to boil the water.

Determine (a) the peak frequency deviation, (b) minimum bandwidth, and (c) baud for a binary FSK signal with a mark frequency of 38 kHz, a space frequency of 40 kHz, and an input bit rate of 4 kbps.

Find the total resistance if three resistors are in parallel and again another two more resistors are in parallel again