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प्रश्न
State three differences between direct current and alternating current.
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उत्तर
| Direct current | Alternating current | ||
| 1 | Direct current flows only in one direction. | 1 | Alternating current reverses its direction periodically with time. |
| 2 | It cannot be used in large-scale generation of electricity for household purposes. | 2 | It is used in household electrical appliances such as electric heater, electric iron, refrigerator etc. |
| 3 | The frequency of direct current is zero. | 3 | The frequency of alternating current in India is 50 Hz. |
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संबंधित प्रश्न
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(b)`in_0/sigma[R/r]^2`
(c)`R/r[sigma/in_0]^2`
(d)`R/sigma[r/in_0]^2`
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(a) Fleming's right-hand rule
(b) Fleming's left-hand rule
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(a) soft iron
(b) brass
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(d) steel
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Fleming’s right hand rule.
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