Electronic Principles
Which one of the following principles best describes the basic operation of an electromagnet?

Current flowing through a conductor generates a magnetic field
Like magnetic poles attract, while unlike poles repel
Like magnetic poles repel, while unlike poles attract
None of these
Current is induced in a conductor that is moving through a magnetic field

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for current flowing in a parallel circuit?

The same current always flows through every part of a parallel circuit
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is always less than the smallest amount of current
None of these
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles