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In a cable, the green wire is the live wire.
Chapter: [8.1] Household Electricity
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A fuse is connected to the live wire.
Chapter: [8.1] Household Electricity
Concept: undefined >> undefined
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A switch is connected to the neutral wire.
Chapter: [8.1] Household Electricity
Concept: undefined >> undefined
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Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
Chapter: [7] Sound
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When sound travels in form of a wave
Chapter: [7] Sound
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The safe limit of loudness of audible sound is
Chapter: [7] Sound
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A switch is connected to the .......... wire.
Chapter: [8.1] Household Electricity
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Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Chapter: [7] Sound
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The red colour insulated wire in a cable is the .............. wire.
Chapter: [8.1] Household Electricity
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Define the following term:
Frequency
Chapter: [7] Sound
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Obtain relationship between the time period and frequency.
Chapter: [7] Sound
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Name three characteristics of a musical sound.
Chapter: [7] Sound
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A fuse wire should have low .................
Chapter: [8.1] Household Electricity
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Which of the following determines the loudness of a sound wave?
Chapter: [7] Sound
Concept: undefined >> undefined
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How is loudness related to the amplitude of wave?
Chapter: [7] Sound
Concept: undefined >> undefined
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