Advertisements
Advertisements
प्रश्न
Find the odd one out and give its explanation.
विकल्प
Temperature
Conduction
Convection
Radiation
Advertisements
उत्तर
Temperature
Explanation-
Temperature is a degree of hotness while conduction, convection, and radiation are modes of heat transfer.
APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for variable resistance
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?
Tell the odd one out. Give a proper explanation.
How does the short circuit form? What is its effect?
In an electric circuit, electron flow a from of point of ______ potential to the point of ______ potential.
A battery is to be formed by joining 3 dry cells with connecting wires. Show how will you connect the wires by drawing a diagram.
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?
Distinguish between a closed circuit and an open circuit, with the use of suitable labelled diagrams.
Write the condition required for a circuit to be a closed circuit.
What do you understand by the open electric circuit?
Explain the following:
Open circuit
Explain the following:
Closed circuit
What is open circuit?
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?
How much is the potential difference between live and neutral wires?
Write scientific reason.
It is beneficial to carry electrical energy in AC form as it is carried over long distances.
What is the use of earthing wire?
The switch is used to close or open an electric circuit.
In the given circuit diagram, which of the given switch(s) should be closed. So that only bulb A glows.
Draw the circuit diagram for the series connection.
Tabulate the different components of an electric circuit and their respective symbols.
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
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 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
Three bulbs A, B, C are connected in a circuit as shown in the following figure. When the switch is ‘ON’
In an electric circuit a fuse is a ______ ______ to prevent possible fire.
In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?
In which of the following circuits A, B and C given in the following figure, the cell will be used up very rapidly?
Will the bulb glow in the circuit shown in the following figure? Explain.
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.
