Electric Circuits Answers

At what distance from this particle does its field have a magnitude of 12.0 N/C

the electrical resistance of the element in a platinum resistance thermometer at 100C, 0C and room temperature 75.000n, 63.000n and 64.000n respectively . determine the room temperature

The parallel plates of an air capacitor are separated by 2.25 mm. Each plate carries a charge of 6.50 nC. The magnitude of the electric field of the plates is 4.75x10^5 V/m. Find the (a) potential difference between the plates, (b) capacitance, and (c) area of plate.

Calculate the capacitance of a capacitor with separation distance of 800m with an area 1.25kmsquare.The permittivity of free space is 8.892*10^-13

Calculate the capacitance of a capacitor with separation distance of 800m with an area 1.25kmsquare.The permittivity of free space is 8.892*10^-13

1.What typecof materials were able to conduct electricity?

2.what type of materials were NOT able to conduct electricity?

3.when electricity moves easily through an object,we call it a?

4.when electricity does not move easily through an object,we call it a?

Explain the following processes of charging.

1.Charging by friction

2.charging by conduction

3.charging by induction

A transformer steps down 220V Ac to 12V AC. Using suitable circuitsincorporating PN diodes

i.Half wave rectified signal [10]

explain how each of the following signals can be obtained

ii.Full Wave Bridge rectified signal.

A galvanometer with a resistance of 15.0Ω gives a full-scale reading for current of 3.0 A. What shunt resistance is needed to convert this into an ammeter with a 30.Ω A full-scale reading?

two charges one of magnitude 3 micro coulomb and the other of magnitude 5 micro coulomb if the force between them is 20 n ?

negative charge of -200 micro coulomb and a positive charge of 800 micro coulomb are separated by a distance of 30 centimeters. What is the force between the two charges?