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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

Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.


What do the following symbols mean in circuit diagrams? 


Draw circuit symbols for variable resistance


Draw circuit symbols for  

an open switch


Draw circuit symbols for 

A closed switch


What is a circuit diagram


Draw the labelled diagram of an electric circuit comprising of a cell, a resistance, an ammeter, a voltmeter and a closed switch (or closed plug key). Which of the two has a large resistance : an ammeter or a voltmeter?


How does the short circuit form? 


Resistances R1, R2, R3 and R4 are connected as shown in the figure. S1 and S2 are two keys. Discuss the current flowing in the circuit in the following cases.

  1. Both S1 and S2 are closed. 
  2. Both S1 and S2 are open.
  3. S1 is closed but S2 is open. 

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


Draw a neat diagram showing a open electric circuit.


What is an artificial magnet?

Explain the following:
Open circuit


Explain the following:
Closed circuit


What is the potential difference?


Right or wrong sentence.

Increasing the current passing through the wire decreases the magnetic field intensity.


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


Write scientific reason.

It is beneficial to carry electrical energy in AC form as it is carried over long distances.


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?

Draw the circuit diagram for the following series connection


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


Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W).

In which of the electric circuits would the bulb not light up.


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


What is the role of the earth wire in domestic circuits?


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


In an electric circuit, the current starts from ______.


When an electric current flows through a copper wire AB as shown in the following figure, the wire


In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1? 


What are the essential components of an electric circuit?


In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with


Paheli is running short of connecting wires. To complete an electric circuit, she may use a ______.


Overloading of electric circuits can lead to short-circuiting.


Name the device which is used to measure the strength of the electric current in an electric circuit.


Set up the circuit shown in Figure again. Move the key to ‘ON’ position and watch carefully in which direction the compass needle gets deflected. Switch ‘OFF’ the current. Now keeping rest of the circuit intact, reverse the connections at the terminal of the cell. Again switch ‘on’ the current. Note the direction in which the needle gets deflected. Think of an explanation.


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