Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
What is the conventional direction of the flow of electric current? How does it differ from the direction of flow electrons?
You can given one hundred 1 Ω resistors. What is the smallest and largest resistance you can make in a circuit using these?
The following table shows the current in Amperes and potential differences in Volts.
- Find the average resistance.
- What will be the nature of the graph between the current and potential difference? (Do not draw a graph.)
- Which law will the graph prove? Explain the law.
| V (volts) | I (amp) |
| 4 | 9 |
| 5 | 11.25 |
| 6 | 13.5 |
The circuit diagram (Fig.) shows a battery of e.m.f. 6 volts and internal
resistance of 0.8 Ω oonnected in series. Find the
(a) Current reoorded by the ammeter,
(b) P.d. across the terminals of the resistor B,
( c) Current passing through each of the resistors B, C and D, and
( d) P.d. across the terminals of the battery.
What should I choose ___________________
b. for getting protection from electric current.
c. to measure the current in the circuit?
What is the speed of electric current?
State whether true or false. If false, correct the statement.
Current can produce magnetic field.
What does the direction of current convey?
