Physics
Grade-9
Easy
Question
Identify the order of the items to be placed in the boxes.
- Battery, bulb, voltmeter
- Battery, voltmeter, bulb
- Voltmeter, battery, bulb
- Battery, battery, voltmeter
Hint:
Voltmeter is connected in parallel.
The correct answer is: Battery, voltmeter, bulb
- In a circuit, a voltmeter is always connected in parallel.
- Therefore, B should be the voltmeter.
- A and C should be the battery and the bulb respectively.
- So, the correct option is b.
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The unit of voltage is
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- Coulomb is the unit of charge.
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The unit of voltage is
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A voltmeter is given to you to measure the voltage. Which voltmeter will you choose?
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_______ is used to measure the potential difference between two points in any circuit.
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Which of the compounds shows the highest lattice energy?
Which of the compounds shows the highest lattice energy?
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They are non-conductors of electricity in solid, molten or aqueous state.
They are non-conductors of electricity in solid, molten or aqueous state.
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Which of the following is NOT TRUE about covalent compounds?
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They are conductors of electricity in solid, molten or aqueous state.
They are conductors of electricity in solid, molten or aqueous state.
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Which of the following is true about lattice energy?
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(ii) Lattice energy ∝ 1/distance
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