Electric Circuits Answers

12 or sister any 15 verse is your connected in series across a 9.0 v potential difference what is the current in the

A 35 ohms 55 ohms, and 85 ohm resistor are connected in parallel. The resistors are then connected to a 35-V battery. a) What is the equivalent resistance of the parallel circuit ?b. What is the current through each resistor? 

Calculate the energy transferred in bulb X in 3Seconds if the current in the circuit is 2 Amperes

Q.12.: Arrange three resistors each of 202 to obtain the equivalent resistances of (1) 1.52 (ii) 302 (111) 692

Also prove the result mathematically.

An accumulator produces a current of 4A when it is connected to a 2(ohm) resistor. When the same accumulator is connected to a 3(ohm) resistor, the current produced is 3A. Determine the e.m.f and the internal resistance of the accumulator.

Calculate the electric field at one corner off a square 80cm on a side if the other three corners are occupied by charges each of magnitude 18.2 x 10-4C.

Q.7. Calculate the potential difference between two plates when they are separated by a distance of a 0.005m and are able to hold an electron motionless between them. (Mass of electron = 9.1x10-³1

If two coils are connected in series and have resistance of 400 ohms and 200 ohms with temperature coeffetients of 0.1% and 0.4% respectively at 20 degrees Celsius. What is the temperature coefficient of the combination, and what is the resistance of the combination at 50 degrees Celsius?

What potential difference must be applied across a 5 Ω resistor in order that the resulting current be 50 mA?

A parallel plate capacitor is composed of two rectangular plates with length 5mm and width 3 mm. The thickness of the insulating material is 0.5 mm. Find the permittivity of the insulating material if the capacitance is 2 μF.