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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.


Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?


What do the following symbols mean in circuit diagrams?  


What do the following symbols mean in circuit diagrams? 


Draw circuit symbols for  

an open switch


What is a circuit diagram


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. 

 


Explain with the help of a labelled circuit diagram how you will find the resistance of a combination of three resistors, or resistance R1, R2 and R3, joined in parallel. Also mention how you will connect the ammeter and the voltmeter in the circuit when measuring the current in the circuit and the potential difference across one of the three resistors of the combination.


Tell the odd one out. Give a proper explanation.


Observe the following figure which bulb get fuse?

 


In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?


Answer the following question.
With the help of a suitable circuit diagram prove that the reciprocal of the equivalent resistance of a group of resistances joined in parallel is equal to the sum of the reciprocals of the individual resistances. 


What do you understand by the closed electric circuit


What do you understand by the open electric circuit?


In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?


If you touch an electric wire carrying current you get a shock, but if on the same wire the birds sit they do not get any shock/current. Explain why?


Find the odd one out and give its explanation.


What is the potential difference?


Write scientific reason.

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


Flow of electricity through a closed circuit is _____.


Draw the circuit diagram for the series connection.


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 which of the following circuits are the bulb connected in series?


Which of the following a simple circuit must-have?


What is electric circuit?


State whether true or false. If false, correct the statement.

Ammeter is connected in parallel in any electric circuit.


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


What are the types of electric circuits?


In the following circuits (Figure), heat produced in the resistor or combination of resistors connected to a 12 V battery will be

(i) (ii) (iii) 

In an electrical circuit three incandescent bulbs A, B and C of rating 40 W, 60 W and 100 W respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?


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


A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.


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


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.


Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.


Write a short note on the different electrical circuits.


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