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प्रश्न
What is consumed using different electrical appliances, for which electricity bills are paid?
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उत्तर
Electrical energy
संबंधित प्रश्न
A bulb with rating 250 V, 100 W is connected to a power supply of 220 V situated 10 m away using a copper wire of area of cross-section 5 mm2. How much power will be consumed by the connecting wires? Resistivity of copper = 1.7 × 10−8 Ωm
The diagram below shows a magnetic kept just below the conductor AB which is kept in North South direction.
(i) In which direction will the needle deflect when the key is closed ?
(ii) Why is the deflection produced ?
(iii) What will be the change in the deflection if the magnetic needle is taken just above the conductor AB ?
(iv) Name one device which works on this principle.
A potential difference of 6 V is applied across a 3 Ω resistor. What is the current flowinq throuqh the circuit?
What are the two main systems of wiring commonly used in houses? Which of these systems mentioned by you is better and why?
Name two common material used for heating elements.
Why is the electric power from the generating station transmitted at high voltage?
How does the heat produced by die passage of current in a metallic wire depend on the time of passage of current in the wire?
What is the commercial unit of electrical energy?
A conductor of 10 Ω is connected across a 6 V ideal source. The power supplied by the source to the conductor is ______.
