Ohms law, KCL & KVL

If a current of 5 Amperes flows through the conductor. The number of electrons per second will is

• 1.6 x 10-19

• 3.12 x 1019

• 4 x 1019

• 7.68 x 1020

Ohm’s law is true for

• Metallic conductors at low temperature

• Metallic conductors at high temperature

• For electrolytes, when current passes through them

• For diode when current flows

An EMF source of 8.0 V is connected to a purely resistive electrical appliance. An electric current of 2.0 A flows through it. What is the resistance offered by the electrical appliances?

• 4 ohm

• 6 ohm

• 2 ohm

• 3 ohm

Kirchhoff's current law is applicable to only

• Junction in a network

• Closed loops in a network

• Electric circuits

• Electronic circuits

Kirchhoff's current law states that

• Net current flow at the junction is positive

• Algebraic sum of the currents meeting at the junction is zero

• No current can leave the junction without some current entering it

• Total sum of currents meeting at the junction is zero

Kirchhoff's voltage law is related to

• Junction cards

• Battery e.m.fs

• IR drops

• Both B and C

According to Kirchhoff's voltage law, the algebraic some of all IR drops and e.m.fs. in any closed loop of a network is always

• Negative

• Positive

• Determined by battery e.m.fs.

• zero

What is the basic law that has to be followed in order to analyze the circuit?

• Newton’s laws

• Faraday’s laws

• Ampere’s laws

• Kirchhoff’s law

KVL is applied in ___________

• Mesh analysis

• Nodal analysis

• Both mesh and nodal

• Neither mesh nor nodal

KCL is applied on

• Mesh analysis

• Nodal analysis

• Both mesh and nodal

• Neither mesh nor nodal