Alternating Voltage Across Different Elements
PHXII07:ALTERNATING CURRENT

356010 A coil has resistance \({30 \Omega}\) and inductive reactance \(20\,Ohm\) at \(50\,Hz\) frequency. If an ac source of \(200\,V\) and \(100\,Hz\) is connected across the coil, the current in the coil will be

1 \(2.0\,A\)
2 \(4.0\,A\)
3 \(8.0\,A\)
4 \({\dfrac{20}{\sqrt{13}} {~A}}\)
PHXII07:ALTERNATING CURRENT

356011 An inductive circuit contains a resistance of \(10 \Omega\) and an inductance of \(2.0H\). If an AC voltage of \(120\;V\) and frequency of \(60\;Hz\) is applied to this circuit, the current in circuit would be nearly

1 \(0.32\;A\)
2 \(0.16\;A\)
3 \(0.43\;A\)
4 \(0.80\;A\)
PHXII07:ALTERNATING CURRENT

356012 An inductor coil having some resistance is connected to an \(AC\) source. Which of the following have zero average value over a cycle?

1 Induced emf in the inductor only
2 Current only
3 Both 1 and 2
4 Either 1 or 2
PHXII07:ALTERNATING CURRENT

356013 The phase difference between the current and voltage is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(50^{\circ}\)
4 \(90^{\circ}\)
PHXII07:ALTERNATING CURRENT

356010 A coil has resistance \({30 \Omega}\) and inductive reactance \(20\,Ohm\) at \(50\,Hz\) frequency. If an ac source of \(200\,V\) and \(100\,Hz\) is connected across the coil, the current in the coil will be

1 \(2.0\,A\)
2 \(4.0\,A\)
3 \(8.0\,A\)
4 \({\dfrac{20}{\sqrt{13}} {~A}}\)
PHXII07:ALTERNATING CURRENT

356011 An inductive circuit contains a resistance of \(10 \Omega\) and an inductance of \(2.0H\). If an AC voltage of \(120\;V\) and frequency of \(60\;Hz\) is applied to this circuit, the current in circuit would be nearly

1 \(0.32\;A\)
2 \(0.16\;A\)
3 \(0.43\;A\)
4 \(0.80\;A\)
PHXII07:ALTERNATING CURRENT

356012 An inductor coil having some resistance is connected to an \(AC\) source. Which of the following have zero average value over a cycle?

1 Induced emf in the inductor only
2 Current only
3 Both 1 and 2
4 Either 1 or 2
PHXII07:ALTERNATING CURRENT

356013 The phase difference between the current and voltage is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(50^{\circ}\)
4 \(90^{\circ}\)
PHXII07:ALTERNATING CURRENT

356010 A coil has resistance \({30 \Omega}\) and inductive reactance \(20\,Ohm\) at \(50\,Hz\) frequency. If an ac source of \(200\,V\) and \(100\,Hz\) is connected across the coil, the current in the coil will be

1 \(2.0\,A\)
2 \(4.0\,A\)
3 \(8.0\,A\)
4 \({\dfrac{20}{\sqrt{13}} {~A}}\)
PHXII07:ALTERNATING CURRENT

356011 An inductive circuit contains a resistance of \(10 \Omega\) and an inductance of \(2.0H\). If an AC voltage of \(120\;V\) and frequency of \(60\;Hz\) is applied to this circuit, the current in circuit would be nearly

1 \(0.32\;A\)
2 \(0.16\;A\)
3 \(0.43\;A\)
4 \(0.80\;A\)
PHXII07:ALTERNATING CURRENT

356012 An inductor coil having some resistance is connected to an \(AC\) source. Which of the following have zero average value over a cycle?

1 Induced emf in the inductor only
2 Current only
3 Both 1 and 2
4 Either 1 or 2
PHXII07:ALTERNATING CURRENT

356013 The phase difference between the current and voltage is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(50^{\circ}\)
4 \(90^{\circ}\)
PHXII07:ALTERNATING CURRENT

356010 A coil has resistance \({30 \Omega}\) and inductive reactance \(20\,Ohm\) at \(50\,Hz\) frequency. If an ac source of \(200\,V\) and \(100\,Hz\) is connected across the coil, the current in the coil will be

1 \(2.0\,A\)
2 \(4.0\,A\)
3 \(8.0\,A\)
4 \({\dfrac{20}{\sqrt{13}} {~A}}\)
PHXII07:ALTERNATING CURRENT

356011 An inductive circuit contains a resistance of \(10 \Omega\) and an inductance of \(2.0H\). If an AC voltage of \(120\;V\) and frequency of \(60\;Hz\) is applied to this circuit, the current in circuit would be nearly

1 \(0.32\;A\)
2 \(0.16\;A\)
3 \(0.43\;A\)
4 \(0.80\;A\)
PHXII07:ALTERNATING CURRENT

356012 An inductor coil having some resistance is connected to an \(AC\) source. Which of the following have zero average value over a cycle?

1 Induced emf in the inductor only
2 Current only
3 Both 1 and 2
4 Either 1 or 2
PHXII07:ALTERNATING CURRENT

356013 The phase difference between the current and voltage is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(50^{\circ}\)
4 \(90^{\circ}\)