02. A.C. Circuit (L-C-R, LC Circuit)
Alternating Current

155278 The potential differences across the resistance, capacitance and inductance are $80 \mathrm{~V}, 40 \mathrm{~V}$ and $100 \mathrm{~V}$ respectively in an $L-C-R$ circuit. The power factor of this circuit is

1 0.4
2 0.5
3 0.8
4 1.0
Alternating Current

155280 The electric current in A.C. circuit is given by the relation $i=3 \sin \omega t+4 \cos \omega t$. The rms value of the current in the circuit in amperes is

1 $\frac{5}{\sqrt{2}}$
2 $5 \sqrt{2}$
3 $\frac{\sqrt{2}}{5}$
4 $\frac{1}{\sqrt{2}}$
Alternating Current

155097 Given below are two statements:
Statement I: Maximum power is dissipated in a circuit containing an inductor, a capacitor and a resistor connected in series with an AC source, when resonance occurs
Statement II: Maximum power is dissipated in a circuit containing pure resistor due to zero phase difference between current and voltage.
In the light of the above statement, choose the correct answer from the options given below:

1 Statement I is false but statement II is true
2 Statement I is true but Statement II is false
3 Both Statement I and Statement II are true
4 Both Statement I and Statement II are false
Alternating Current

155102 If $R, X_{L}$ and $X_{C}$ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:

1 $\mathrm{RX}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}$
2 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
3 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
4 $\mathrm{R} \frac{X_{L}}{X_{C}}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Alternating Current

155278 The potential differences across the resistance, capacitance and inductance are $80 \mathrm{~V}, 40 \mathrm{~V}$ and $100 \mathrm{~V}$ respectively in an $L-C-R$ circuit. The power factor of this circuit is

1 0.4
2 0.5
3 0.8
4 1.0
Alternating Current

155280 The electric current in A.C. circuit is given by the relation $i=3 \sin \omega t+4 \cos \omega t$. The rms value of the current in the circuit in amperes is

1 $\frac{5}{\sqrt{2}}$
2 $5 \sqrt{2}$
3 $\frac{\sqrt{2}}{5}$
4 $\frac{1}{\sqrt{2}}$
Alternating Current

155097 Given below are two statements:
Statement I: Maximum power is dissipated in a circuit containing an inductor, a capacitor and a resistor connected in series with an AC source, when resonance occurs
Statement II: Maximum power is dissipated in a circuit containing pure resistor due to zero phase difference between current and voltage.
In the light of the above statement, choose the correct answer from the options given below:

1 Statement I is false but statement II is true
2 Statement I is true but Statement II is false
3 Both Statement I and Statement II are true
4 Both Statement I and Statement II are false
Alternating Current

155102 If $R, X_{L}$ and $X_{C}$ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:

1 $\mathrm{RX}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}$
2 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
3 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
4 $\mathrm{R} \frac{X_{L}}{X_{C}}$
Alternating Current

155278 The potential differences across the resistance, capacitance and inductance are $80 \mathrm{~V}, 40 \mathrm{~V}$ and $100 \mathrm{~V}$ respectively in an $L-C-R$ circuit. The power factor of this circuit is

1 0.4
2 0.5
3 0.8
4 1.0
Alternating Current

155280 The electric current in A.C. circuit is given by the relation $i=3 \sin \omega t+4 \cos \omega t$. The rms value of the current in the circuit in amperes is

1 $\frac{5}{\sqrt{2}}$
2 $5 \sqrt{2}$
3 $\frac{\sqrt{2}}{5}$
4 $\frac{1}{\sqrt{2}}$
Alternating Current

155097 Given below are two statements:
Statement I: Maximum power is dissipated in a circuit containing an inductor, a capacitor and a resistor connected in series with an AC source, when resonance occurs
Statement II: Maximum power is dissipated in a circuit containing pure resistor due to zero phase difference between current and voltage.
In the light of the above statement, choose the correct answer from the options given below:

1 Statement I is false but statement II is true
2 Statement I is true but Statement II is false
3 Both Statement I and Statement II are true
4 Both Statement I and Statement II are false
Alternating Current

155102 If $R, X_{L}$ and $X_{C}$ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:

1 $\mathrm{RX}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}$
2 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
3 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
4 $\mathrm{R} \frac{X_{L}}{X_{C}}$
Alternating Current

155278 The potential differences across the resistance, capacitance and inductance are $80 \mathrm{~V}, 40 \mathrm{~V}$ and $100 \mathrm{~V}$ respectively in an $L-C-R$ circuit. The power factor of this circuit is

1 0.4
2 0.5
3 0.8
4 1.0
Alternating Current

155280 The electric current in A.C. circuit is given by the relation $i=3 \sin \omega t+4 \cos \omega t$. The rms value of the current in the circuit in amperes is

1 $\frac{5}{\sqrt{2}}$
2 $5 \sqrt{2}$
3 $\frac{\sqrt{2}}{5}$
4 $\frac{1}{\sqrt{2}}$
Alternating Current

155097 Given below are two statements:
Statement I: Maximum power is dissipated in a circuit containing an inductor, a capacitor and a resistor connected in series with an AC source, when resonance occurs
Statement II: Maximum power is dissipated in a circuit containing pure resistor due to zero phase difference between current and voltage.
In the light of the above statement, choose the correct answer from the options given below:

1 Statement I is false but statement II is true
2 Statement I is true but Statement II is false
3 Both Statement I and Statement II are true
4 Both Statement I and Statement II are false
Alternating Current

155102 If $R, X_{L}$ and $X_{C}$ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless:

1 $\mathrm{RX}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}$
2 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
3 $\frac{\mathrm{R}}{\sqrt{\mathrm{X}_{\mathrm{L}} \mathrm{X}_{\mathrm{C}}}}$
4 $\mathrm{R} \frac{X_{L}}{X_{C}}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here