EASY
12th ICSE
IMPORTANT
Earn 100

What is the phase relation between current and voltage in (i) a resistor,?

Important Questions on Alternating Current

EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 7
What is the phase relation between current and voltage in(ii) an inductor ?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 7
What is the phase relation between current and voltage in (iii) a capacitor in AC circuits?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 8
What is the effect of an inductance coil in an alternating-current circuit? How does this effect depend upon the frequency of the alternating current?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 9
What is inductive reactance XL in an AC circuit? What is its value for DC?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 10
What is capacitive reactance Xc? What is its value for DC?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 11
Distinguish between resistance, reactance and impedance for an AC circuit.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 12
When a series L-C-R AC circuit is brought into resonance, the current has a large value. Why?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 12 - Alternating Current>QUESTIONS>Q 13
An AC circuit with resistance R. inductance I. and capacitance C are connected in series. The value of C is adjusted for resonance. State any three properties of this circuit which hold true for resonance only. (Give the properties in words or equations relating XL>Xc, Z, R, ϕ, power, etc.)