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प्रश्न
An electric current flowing in a wire creates ______ around the wire.
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उत्तर
An electric current flowing in a wire creates magnetic field around the wire.
संबंधित प्रश्न
Which particles constitute the electric current in a metallic conductor?
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A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 0.12 Ω. How much current would flow through the 12 Ω resistor?
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(a) this way they required less current
(b) if one lamp fails the others remain lit
(c) this way they require less power
(d) if one lamp fails the other also fail
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Semiconductors
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