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Match the pairs. ‘A’ Group ‘B’ Group 1. Free electrons a. V/R 2. Current b. Increases the resistance in the circuit 3. Resistivity c. Weakly attached 4. Resistances in series d. VA/LI - Science and Technology

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प्रश्न

Match the pairs.

‘A’ Group  ‘B’ Group 
1. Free electrons a. V/R 
2. Current b. Increases the resistance in the circuit 
3. Resistivity c. Weakly attached 
4. Resistances in series d. VA/LI
जोड्या लावा/जोड्या जुळवा

उत्तर

‘A’ Group  Answer
1. Free electrons c. Weakly attached
2. Current a. V/R
3. Resistivity d. VA/LI
4. Resistances in series b. Increases the resistance in the circuit
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पाठ 3: Current Electricity - Exercise [पृष्ठ ४४]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
पाठ 3 Current Electricity
Exercise | Q 5. | पृष्ठ ४४

संबंधित प्रश्‍न

Which of the following units could be used to measure electric charge?

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(b) joule
(c) volt
(d) coulomb


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(a) What is the combined resistance?
(b) What current flows?
(c) What is the p.d. across 2 Ω resistor?
(d) What is the p.d. across 3 Ω resistor?

 


You can given one hundred 1 Ω resistors. What is the smallest and largest resistance you can make in a circuit using these?


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(c) the resistance of 1 m length of wire of same material but of half diameter. 


Complete the following sentence:
A fuse is a short piece of wire of high ......... and low


The metal case of an electric appliance is earthed. Explain the reason.

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Define the following:

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What is the criteria for selecting a fuse wire?


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Fill in the blank :

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Match the items in column-I to the items in column-II:

Column - I Column - II
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