मराठी

An Electrician Has Wired a House in Such a Way that If a Lamp Gets Fused in One Room of the House, All the Lamps in Other Rooms of the House Stop Working. What is the Defect in the Wiring? - Science

Advertisements
Advertisements

प्रश्न

 An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring?

Advertisements

उत्तर

The electrician has wired the house in a series circuit.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 6

APPEARS IN

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

In which direction do electrons flow?


A Radio Set Draws a Current of 0.36 a for 15 Minutes. Calculate the Amount of Electric Charge that Flows Through the Circuit. 


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. 


How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?


The figure given below shows an electric circuit in which current flows from a 6 V battery through two resistors. 

 

  1. Are the resistors connected in series with each other or in parallel?
  2. For each resistors, state the p.d. across it.
  3. The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current?
  4. Calculate the effective resistance of the two resistors.
  5. Calculate the current that flows from the battery.

Define electric intensity. Write its SI unit. Is it a scalar or a vector physical quantity?

A 720 W heater operates from a 220 V line voltage. Calculate:
(a) The electrical energy consumed by the heater in 3 h.
(b) The cost of electrical energy consumption at the rate of 60 paise per kWh.


What type of electricity is supplied to us at houses?

Tick(✓) the correct choice in the following:

When the length of a conductor is doubled the resistance of the conductor
will


Define the following:

Electromotive force


Three fuses available are rated at 2 A, 10 A and 13 A. Which fuse would you chose for an electric wire rated at 3 kW, 250 V? Show how you arrived at your answer.

Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.


What is meant by the term 'electromotive force' of a cell?

Tick (✓) the correct choice among the following :

In fig .XY is at right angles to the magnetic field. The direction in
which XY should be moved to induce an electron flow in the direction Y to X as indicated by the arrow is


An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.


Which part of an electrical appliance is earthed?


______ is used to measure the electric current.


True or False – If False give the correct answer

The representation of the electric current is A


In current electricity, a positive charge refers to ______.


A charge of 400C flows through a conductor for 13 minutes and 20 seconds. Find the magnitude of the current flowing through the conductor.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×