Welcome to your CURRENT ELECTRICITY-1
1.
Power dissipation is maximum when…
2.
If current doubles, drift velocity…
3.
Resistance of alloy manganin…
4.
Superconductors have resistivity…
5.
Resistivity depends on…
6.
In parallel combination, voltage across each resistor is…
7.
Which quantity is same in series circuit?
8.
For two identical bulbs in series…
9.
Internal resistance of an ideal battery is…
10.
Which of the following obeys Ohm’s law?
11.
If 10 A current flows for 2 s, charge passed is…
12.
Electric current is defined as…
13.
Mobility of electrons increases when…
14.
Heating effect in conductor decreases when…
15.
When temperature increases, resistance of metals…
17.
If R = 0 in a circuit, current becomes…
18.
Power of a resistor increases when…
19.
A fuse wire should have…
20.
In series combination, equivalent resistance is…
21.
Moving charge experiences collision with…
22.
The best conductor is one having…
23.
A wire stretched to double its length has resistance…
24.
Kirchhoff’s loop rule is based on…
25.
If cross-section area of wire is doubled, drift velocity…
26.
In ohmic conductor V–I graph is…
27.
If all resistors in a circuit are doubled, current becomes…
28.
Heating effect depends on…
29.
Terminal voltage increases when…
31.
Current through a resistor is halved when…
32.
Kirchhoff’s junction rule is based on…
33.
Unit of resistivity is…
34.
In electrolysis, current is carried by…
35.
Drift velocity increases when…
36.
When a conductor is heated, drift velocity…
37.
Resistance of a wire becomes four times if…
38.
Cross-sectional area of wire decreases. Resistance…
39.
Conductivity increases when…
40.
Hot filament bulbs have high resistance because…
41.
Current density J increases when…
42.
Current through a conductor depends on…
43.
Ammeter has very low resistance to…
44.
Which quantity is same in parallel circuit?
45.
Energy delivered by a battery is maximum when…
