Question
Which type of a physical quantity is electric current?
✓
Answer
- Scalar quantity
The electric current is a scalar quantity. Laws of ordinary algebra are used to add electric currents and the law of vector algebra are not applicable.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A point charge of 40 stat coulomb is placed 2 cm in front of an earthed metallic plane plate of large size. Then the force of attraction on the point charge is(a) 100 dynes(b) 160 dynes(c) 1600 dynes(d) 400 dynes
From the following, what charges can be present on oil drops in Millikan's experiment $($Here e is the electronic charge$)$
→A large cylindrical tank has a hole of area A at its bottom. Water is poured in the tank by a tube of equal cross-sectional area A ejecting water at the speed v.
→-
The water level in the tank will keep on rising.
-
No water can be stored in the tank.
-
The water level will rise to a height $\frac{\text{v}^2}{2\text{g}}$ and then stop.
-
The water level will oscillate.
The patient is asked to drink $\mathrm{BaSO}_4$ tor examining the stomach by $X-$rays because $X-$rays are
→Carbon, silicon and germanium have four valence electrons each. At room temperature the appropriate statement is:
Whenever the magnetic flux linked with a coil changes, an induced e.m.f. is produced in the circuit. The e.m.f. lasts
An electron is taken from point $A$ to point $B$ along the path $AB$ in a uniform electric field of intensity $E = 10Vm^{−1}.$ Side $AB = 5m,$ and side $BC = 3m.$ Then, the amount of work done on the electron by us is:
→A cylindrical conductor has uniform cross$-$section. Resistivity of its material increase linearly from left end to right end. If a constant current is flowing through it and at a section distance $x$ from left end, magnitude of electric field intensity is $E,$ which of the following graphs is correct
→Metallic solids are always opaque because(a) Solids effect the incident light (b) Incident light is readily absorbed by the free electron in a metal(c) Incident light is scattered by solid molecules(d) Energy band traps the incident light
A heavy stone is thrown in from a cliff of height $h$ in a given direction. The speed with which it hits the ground:
→