Welcome to your CURRENT ELECTRICITY-1
2.
If R = 0 in a circuit, current becomes…
3.
Ammeter has very low resistance to…
4.
Current density J increases when…
5.
Power of a resistor increases when…
6.
In series combination, equivalent resistance is…
7.
Conductivity increases when…
8.
Resistance of a wire becomes four times if…
9.
When temperature increases, resistance of metals…
10.
If 10 A current flows for 2 s, charge passed is…
11.
Resistivity depends on…
12.
For two identical bulbs in series…
13.
If current doubles, drift velocity…
14.
Unit of resistivity is…
16.
Internal resistance of an ideal battery is…
17.
In electrolysis, current is carried by…
18.
Mobility of electrons increases when…
19.
Heating effect in conductor decreases when…
20.
Resistance of alloy manganin…
21.
In ohmic conductor V–I graph is…
22.
Current through a conductor depends on…
23.
Hot filament bulbs have high resistance because…
24.
Heating effect depends on…
25.
Power dissipation is maximum when…
26.
A fuse wire should have…
27.
Which quantity is same in parallel circuit?
28.
Electric current is defined as…
29.
If all resistors in a circuit are doubled, current becomes…
30.
In parallel combination, voltage across each resistor is…
31.
A wire stretched to double its length has resistance…
32.
Energy delivered by a battery is maximum when…
33.
The best conductor is one having…
34.
Current through a resistor is halved when…
35.
Terminal voltage increases when…
36.
Moving charge experiences collision with…
37.
Drift velocity increases when…
38.
Which quantity is same in series circuit?
39.
Kirchhoff’s loop rule is based on…
40.
Which of the following obeys Ohm’s law?
41.
Superconductors have resistivity…
42.
When a conductor is heated, drift velocity…
43.
Kirchhoff’s junction rule is based on…
44.
If cross-section area of wire is doubled, drift velocity…
45.
Cross-sectional area of wire decreases. Resistance…
