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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

How much is the potential difference between live and neutral wires?

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प्रश्न

How much is the potential difference between live and neutral wires?

एका वाक्यात उत्तर
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उत्तर

The potential difference between live and neutral wires is around 220 V.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Effects of electric current - Answer in one sentence. [पृष्ठ १३]

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एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 4 Effects of electric current
Answer in one sentence. | Q 5. | पृष्ठ १३

संबंधित प्रश्‍न

What do the following symbols mean in circuit diagrams?  


What do the following symbols mean in circuit diagrams? 


Draw circuit symbols for 

fixed resistance


Draw a circuit diagram to show how 3 bulbs can be lit from a battery so that 2 bulbs are controlled by the same switch the third bulb has its own switch. 

 


Find the odd one out and justify it.
Fuse wire, M.C.B., Rubber Gloves, Generator


Observe the following figure which bulb get fuse?

 


Two tungsten bulbs of power 50 W and 60 W work on 220 V potential difference. If they are connected in parallel, how much current will flow in the main conductor?


Write the condition required for a circuit to be a closed circuit. 


Match the column ‘A’ with column ‘B’.

Column ‘A’
Column ‘B’
(1) Eka - boron
(a) Germanium
(2) Eka - Aluminium
(b) Scandium
(3) Eka - Silicon
(c) Gallium

Draw a neat diagram showing a closed electric circuit.


How is a voltmeter connected in a circuit?

Explain the following:
Closed circuit


Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.


Flow of electricity through a closed circuit is _____.


______ is the device used to close or open an electric circuit.


The switch is used to close or open an electric circuit.


Tabulate the different components of an electric circuit and their respective symbols.


Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?


In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?


Higher Order Question

A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder), and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.

  • What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?

Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up


Three bulbs are connected end to end from the battery. This connection is called _______.


In a simple circuit, why does the bulb glow when you close the switch?


When a circuit is open, _____ cannot pass through it.


Instead of metal wires, a jute string can be used to make a circuit.


The rate of flow of electric charges in a circuit is called ______.


______ is a kind of fish which is able to produce an electric current.


In an electrical circuit two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be


Three bulbs A, B, C are connected in a circuit as shown in the following figure. When the switch is ‘ON’


Our body is a ______ of electricity.


Observe the circuit given:

1. Would any of the bulbs glow when the switch is in the ‘OFF’ position?

2. What will be the order in which the bulbs A, B, and C will glow when the switch is moved to the ‘ON’ position?


Will the bulb glow in the circuit shown in the following figure? Explain.


Paheli connected two bulbs to a cell as shown in the following figure.


She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.


Write a short note on the different electrical circuits.


Overloading of electric circuits can lead to short-circuiting.


How is Joule's law effect useful in electric circuits where fuse is used as a safety device?


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