Self inductance of solenoid is:

(A) Inversely proportional to the area of cross section
(B) Inversely proportional to the number of turns
(C) Inversely proportional to its length
(D) None of these

Answer: (C) Inversely proportional to its length
Self inductance of solenoid is inversely proportional to its length.

An inverter is:

(A) Changes low to high
(B) Changes high to low
(C) Performs not operations
(D) All of these

Answer: (D) All of these

The transient response of a circuit depends upon the ?

(A) Topology of circuits only
(B) Excitation of circuit
(C) Components and topology of circuit
(D) None of these

Answer: (C) Components and topology of circuit
The transient response of a circuit depends upon the components and topology of circuit.

The Helical beam antenna :

(A) Directivity increases linearly with length of the helix
(B) is an end fire beam antenna
(C) is an end fire beam antenna
(D) All of these

Answer: (D) All of these