Answer the following 20 questions. Good luck!
1. 2×10⁶e passing through a conductor in 1 millisecond. Electric current through conductor is:
2. Three resistors each having value R are connected as shown in figure. What is the equivalence resistance between X and Y
3. Three 6Ω are connected as shown in the diagram. What is the resistance between points A and B?
4. If a resistor having resistance R is cut into three equal parts, then the equivalent of parallel combination is:
5. If 2A current passes through a resistor when connected to a certain battery. If the resistance is replaced by the double resistance, then the current will become:
6. How much potential drop exists across a closed switch?
7. A 3V battery is connected in series with ammeter and 2-ohm resistance after short-circuiting. What will be the reading of ammeter?
8. The ohmmeter of a portable digital multi-meter needs:
9. A charge of 90C passes through a wire for 30 seconds. Then the current in the wire will be:
10. The magnitude of the current in metals is proportional to the potential difference across it as long as the temperature of conductor is kept constant is known as:
11. Volt × Ampere is the measure of:
12. The ohm's law is applicable if:
13. Which of the following refers to the DC current that does not change its intensity?
14. The SI unit of electric charge:
15. Ohm-meter is the unit of:
16. The magnitude of the current in metals is proportional to the applied voltage as long as temperature of conductor is kept constant. It is the statement of:
17. Two electric bulbs "A" and "B" of powers 500W and 2000W respectively are connected to 220V supply. The ratio of current through A to current through B is:
18. In a conducting electric wire, the electric current flows due to:
19. The domestic electricity supply has a frequency of:
20. What does the Coulomb represent in terms of charge?
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