हिंदी

Calculate the Electric Current Supplied by a 12 V Battery of an Automobile to a Starter that Develops a Power of 2.4 Kw.

Advertisements
Advertisements

प्रश्न

Calculate the electric current supplied by a 12 V battery of an automobile to a starter that develops a power of 2.4 kW.
संख्यात्मक
Advertisements

उत्तर

We know that,

P=VI 

I = `"P"/"V" = (2.4 xx 1000)/12` = 200 A

The current supplied by the battery is 200A

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Electricity and Magnetism - Exercise 4.2 i [पृष्ठ १८७]

APPEARS IN

फ्रैंक Physics Part 2 [English] Class 10 ICSE
अध्याय 4 Electricity and Magnetism
Exercise 4.2 i | Q 7 | पृष्ठ १८७

संबंधित प्रश्न

The work done in moving a unit charge across two points in an electric circuit is a measure of ______.


What is the unit of electric current?


A student made an electric circuit shown here to measure the current through two lamps.

Are the lamps in series or parallel?  

(a) Are the lamps in series or parallel?
(b) The student has made a mistake in this circuit. What is the mistake?
(c) Draw a circuit diagram to show the correct way to connect the circuit. Use the proper circuit symbols in your diagram. 


State the factors on which the strength of electric current flowing in a given conductor depends.


In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.  

  1. A and B
  2. A and C

 


What do you mean by conductance of a conductor of a solution?

A current of 0.3 A is flowing through a branch of 6 Ω resistors in a junction as shown in fig. . Calculate the
(a) P.d. across the junction XY,
(b) Current flowing through 9Ω and 24Ω
( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.


1 kWh = `(1 "volt" xx 1 "ampere" xx "_________")/1000`


What should I choose ___________________

a. for decreasing resistance in a circuit.
(Resistors in series / Resistors in parallel)

b. for getting protection from electric current.
(Nickel / Ebonite)

c. to measure the current in the circuit?
(Ammeter/ Voltmeter) 

1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×