Electric Circuits Answers

Two point charges are brought together as shown below. Calculate the electric potential energy between the two charges if q₁=2 nC and q₂= 3 nC.

A particle has charge -3.00 nC. (a) Find the magnitude

nd direction of the electric field due to this particle at a point

.250 m directly above it. (b) At what distance from this particle

pes its electric field have a magnitude of 12.0 N/C?

What must be the magnitude and direction of E that will balance the weight of

a.) an electron

b.) a proton

show your solution

Derive the expressions for RMS value and average value.

When a circuit is excited by a sinusoidal voltage source. And also show that form factor of sinusoidal aternating

current wave in 1.11.

In an R-L-C series circuit a maximum current of 0.5 A is obtained by varying the value of inductance L. The supply voltage is fixed at 230 V, 50 Hz. When maximum current flows through the circuit, the voltage measured across the capacitor is 350 V. What are the values of the cricuit parameters ?

What is the total capacitance of a 10.0 F, 15.0 F, 20.0 F and 5.0 F if they are connected in parallel?

You have five(5) 10.0 Farad capacitors. Find the total capacitance if the capacitors are connected in series.

The attractive force between two equal but opposite charges is F newtons when the charges are 6 cm apart. What should be their distance apart to increase the attractive force to 6F newtons?

In an R-L-C series circuit a maximum current of 0.5 A is obtained by varying the value of inductance L. The supply voltage is fixed at 230 V, 50 Hz. When maximum current flows through the circuit, the voltage measured across the capacitor is 350 V. What are the values of the cricuit parameters? 15

A given wire has a resistance of 32 ohms. If its length is 872 m., how much length must be

cut-off from the wire in order to reduce its resistance to 13.4 ohms?