Recent questions tagged resistors

Description : what is equivalent resistance when four 4 Ohm resistors are connected in i) series ii) parallel

Last Answer : equivalent resistance

Description : State any two features of carbon composition resistors.

Last Answer : Features of Carbon composition resistance: i) Low cost ii) Wide resistance range ( ohm to mega ohm) iii) Wide range of working voltage iv) Simple in construction 

Description : The colour band on the extreme left in general purpose fixed resistors represents: A) Tolerance B) First significant digit C) Wattage Rating D) Voltage Rating

Last Answer : The colour band on the extreme left in general purpose fixed resistors represents: First significant digit

Description : Three identical resistors connected in star consume 5000 W. If the resistors are connected in delta across the same supply, the power consumed will be

Last Answer : Three identical resistors connected in star consume 5000 W. If the resistors are connected in delta across the same supply, the power consumed will be 15000 W

Description : A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled then the voltage across each resistor will

Last Answer : A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled then the voltage across each resistor will not change

Description : Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage across each resistor, if the value of each of the resistors is doubled? A) It will double B) It will remain the same C) It will be halved D) It will become zero

Last Answer : Consider a circuit with four resistors in series connected to a voltage source. What happens to the voltage across each resistor, if the value of each of the resistors is doubled? A) It will double B) It will remain the same C) It will be halved D) It will become zero

Description : When three resistors with unequal values are connected in parallel, _______ A) The current across the resistors is the same  B) The voltage drop across the resistors is the same C) The voltage drops across the resistors is proportional to the resistance of each resistor D) None of these

Last Answer : When three resistors with unequal values are connected in parallel, The voltage drop across the resistors is the same

Description : What is the total resistance if 5 resistors of 20 Ω each are connected in series? A) 100 Ω B) 4 Ω C) 20 Ω D) None of these

Last Answer : What is the total resistance if 5 resistors of 20 Ω each are connected in series? A) 100 Ω B) 4 Ω C) 20 Ω D) None of these

Description : Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is 5 A. What will be the current if the above 4 resistors are connected in parallel? A) 5 A B) 50 A C) 500 A D) None of these

Last Answer : Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is 5 A. What will be the current if the above 4 resistors are connected in parallel? A) 5 A B) 50 A C) 500 A D) None of these

Description : The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known as

Last Answer : The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known as non-linear circuit.

Description : Voltage dependent resistors are used?

Last Answer : Voltage dependent resistors are used to supress surges.

Description : Voltage dependent resistors are usually made from?

Last Answer : Voltage dependent resistors are usually made from nichrome.

Description : Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be?

Last Answer : Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times.

Description : Two resistors are said to be connected in series when?

Last Answer : Two resistors are said to be connected in series when same current passes in turn through both.

Description : Wire-wound resistors are unsuitable for use at high frequencies because they?

Last Answer : Wire-wound resistors are unsuitable for use at high frequencies because they exhibit unwanted inductive and capacitive effects.

To see more, click for the full list of questions or popular tags.