Electricity And Magnetism - Study Mode

[#76] If two resistances of 2 Ω are connected in parallel, what will be the resulting resistance?
Correct Answer

(C) 1 Ω

[#77] Alternating current is converted to direct current
Correct Answer

(D) By Rectifier

[#78] For which of the following substances, the resistance decreases with increase in temperature?
Correct Answer

(A) Pure silicon

[#79] What is in substance that makes it super conductor substance?
Correct Answer

(D) The value of resistance will be zero

[#80] What gases are filled in fluorescent tube?
Correct Answer

(D) Mercury and neon