MockTests.ORG साइन इन

Alternating Current (AC) Mock Tests

21 questions available

Alternating Current (AC) Mock Test 1

Questions: 21

नमूना प्रश्न

CUET Physics
In a series LCR circuit, R = 100 Ω, L = 0.5 H, and C = 8 μF. The resonant frequency of the circuit is approximately:
A 50 Hz
B 79.6 Hz
C 100 Hz
D 25 Hz
CUET Physics
In a series LCR circuit, L = 0.5 H, C = 8 μF. The resonant frequency is approximately: (π² ≈ 10)
A 79.6 Hz
B 45 Hz
C 11.25 Hz
D 90 Hz
CUET Physics
The rms value of an AC voltage with peak value 300 V is:
A 150 V
B 212 V
C 300 V
D 424 V
CUET Physics
An LCR series circuit has R = 100 Ω, X_L = 200 Ω, and X_C = 100 Ω connected to an AC source of 200 V (rms). The power dissipated in the circuit is:
A 200 W
B 400 W
C 100 W
D 800 W
CUET Physics
In a series LCR circuit, the resonance frequency is 50 Hz. If both the inductance and capacitance are doubled, the new resonance frequency will be:
A 25 Hz
B 50 Hz
C 100 Hz
D 50√2 Hz
CUET Physics
A capacitor of 10 μF and an inductor of 1 H are connected in series across an AC source. The resonant frequency of the LC circuit is:
A 1/(2π) Hz
B 2π Hz
C 10 Hz
D 100 Hz
CUET Physics
In a series LCR circuit connected to an AC source, the resonant frequency is given by:
A 1/(2π√(LC))
B 2π√(LC)
C 1/(2πLC)
D √(LC)
CUET Physics
In a series LCR circuit at resonance, the impedance is:
A Maximum
B Minimum and equal to R
C Minimum and equal to X_L
D Maximum and equal to X_L − X_C

टिप्पणियाँ

0/2000

अभी तक कोई टिप्पणी नहीं। अपने विचार साझा करने वाले पहले व्यक्ति बनें!