Welcome to your CURRENT ELECTRICITY-1
1.
A fuse wire should have…
2.
Power dissipation is maximum when…
3.
When temperature increases, resistance of metals…
4.
In electrolysis, current is carried by…
5.
Terminal voltage increases when…
6.
Current through a conductor depends on…
7.
Energy delivered by a battery is maximum when…
8.
If current doubles, drift velocity…
9.
Current through a resistor is halved when…
10.
Kirchhoff’s junction rule is based on…
11.
Electric current is defined as…
13.
Superconductors have resistivity…
14.
Moving charge experiences collision with…
15.
If all resistors in a circuit are doubled, current becomes…
17.
If 10 A current flows for 2 s, charge passed is…
18.
If cross-section area of wire is doubled, drift velocity…
19.
Which of the following obeys Ohm’s law?
20.
Current density J increases when…
21.
Power of a resistor increases when…
22.
In series combination, equivalent resistance is…
23.
Hot filament bulbs have high resistance because…
24.
Which quantity is same in parallel circuit?
25.
The best conductor is one having…
26.
A wire stretched to double its length has resistance…
27.
In ohmic conductor V–I graph is…
28.
Unit of resistivity is…
29.
Mobility of electrons increases when…
30.
Conductivity increases when…
31.
Which quantity is same in series circuit?
32.
Resistivity depends on…
33.
Kirchhoff’s loop rule is based on…
34.
Resistance of a wire becomes four times if…
35.
Heating effect in conductor decreases when…
36.
When a conductor is heated, drift velocity…
37.
Heating effect depends on…
38.
In parallel combination, voltage across each resistor is…
39.
Ammeter has very low resistance to…
40.
For two identical bulbs in series…
41.
If R = 0 in a circuit, current becomes…
42.
Drift velocity increases when…
43.
Cross-sectional area of wire decreases. Resistance…
44.
Internal resistance of an ideal battery is…
45.
Resistance of alloy manganin…
