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DeepanjaliEnlightened

Asked: August 19, 2021In: Chemistry

The sign of power of convex lens is

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A. Negative B. Positive C. Zero D. Infinite

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DeepanjaliEnlightened

Asked: August 19, 2021In: Chemistry

The power of glass slab is

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A. Less B. More C. Zero D. Infinite

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DeepanjaliEnlightened

Asked: August 17, 2021In: Chemistry

In a transformer, electric power is

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A. Increase B. Decrease C. Transformed D. Transferred

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DeepanjaliEnlightened

Asked: August 17, 2021In: Chemistry

In series, total power decrease, because

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A. Total resistance decrease B. Total voltage decrease C. Total current decrease D. Total resistance increases

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DeepanjaliEnlightened

Asked: August 16, 2021In: Chemistry

In parallel total power increase, because:

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A. Total resistance decrease B. Total voltage decrease C. Total current changes D. Total resistance increase