मराठी

What is the unit of electric charge? - Science

Advertisements
Advertisements

प्रश्न

What is the unit of electric charge?

एका वाक्यात उत्तर

उत्तर

The SI unit of electric charge is coulomb and is denoted by the letter, C.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 1

APPEARS IN

संबंधित प्रश्‍न

By what other name is the unit joule/coulomb called?


How much work is done when one coulomb charge moves against a potential difference of 1 volt?


Ohm's law state a relation between potential difference and ___________.


What is Ohm's law? Explain how it is used to define the unit of resistance. 


The values of potential difference V applies across a resistor and the corresponding values of current I flowing in the resistor are given below:

Potential differences, V (in volts) : 2.5 5.0 10.0 15.0 20.0 25.0
Current, I (in amperes) : 0.1 0.2 0.4 0.6 0.8 1.0

Calculate the potential difference between the two terminals of a battery if 100 joules of work is required to transfer 20 coulombs of charge from one terminal of the battery to the other.


Which one of the following is the correct set-up for studying the dependence of the current on the potential difference across a resistor and why?


Three resistors are connected to a 6 V battery as shown in the figure given below:

Calculate:
(i) the equivalent resistance of the circuit.
(ii) total current in the circuit.
(iii) potential difference across the 7.2 Ω resistor.


In the figure given below, A, B and C are three ammeters. The ammeter B reads 0.5A. (All the ammeters have negligible resistance.)

Calculate:
(i) the readings in the ammeters A and C.
(ii) the total resistance of the circuit.


Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres (σ12 ) is ______


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×