The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of?

Iron loss in core
Skin effect
Increase in temperature
Capacitive effect between adjacent coil turns

LohaHridoy

11 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

11 views Answered 2022-09-01 13:21

Related Questions

In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will?

1 Answers 6 Views

The size of air cored transducers in comparison to the iron core parts is?

1 Answers 6 Views

A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased?

1 Answers 7 Views

The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is?

1 Answers 5 Views

The term 'choke' is more commonly used in connection with an inductor used to block off high frequencies.?

1 Answers 6 Views

An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then?

1 Answers 5 Views

In a superhetrodyne receiver, the difference frequency is chosen as the IF rather than the sum frequency because ___________?

1 Answers 8 Views

If the supply frequency to the transformer is increased, the iron loss will?

1 Answers 5 Views

The steel used in steel cored conductors is usually?

1 Answers 5 Views

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)