Alternating Voltage Across Different Elements
PHXII07:ALTERNATING CURRENT

356036 The vector diagram of current and voltage for a circuit is given. The components of the circuit will be
supporting img

1 \({L C R}\)
2 \({L R}\)
3 \({L C R}\) or \({L R}\)
4 None of these
PHXII07:ALTERNATING CURRENT

356037 When the \(K\) is pressed at \(t=0\) which of the following statements about the current \(I\) in the resistor \(A B\) of the given circuit is true?
supporting img

1 \(I = 2\,mA\) at all \(t\)
2 I oscilaltes between \(1\,mA\) and \(2\,mA\)
3 \(I = 1\,mA\) at all \(t\)
4 At \(t = 0,I = 2\,mA\) and with time, it goes to \(1\,mA\)
PHXII07:ALTERNATING CURRENT

356038 As per the given graph, choose the correct representation for curve \(A\) and curve \(B\). Where \(X_{C}=\) reactance of pure capacitive circuit connected with \(A.C.\) source
\(X_{L}=\) reactance of pure inductive circuit connected with \(A.C.\) source
\(R=\) impedance of pure resistive circuit connected with \(A.C.\) source
\(Z=\) Impedance of the \(L C R\) series circuit
supporting img

1 \(A=X_{L}, B=Z\)
2 \(A=X_{C}, B=R\)
3 \(A=X_{C}, B=X_{L}\)
4 \(A=X_{L}, B=R\)
PHXII07:ALTERNATING CURRENT

356039 Assertion :
The quantity \(L / R\) possesses dimensions of time.
Reason :
To reduce the rate of increases of current through a solenoid, can be increased the time constant \((L / R)\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356036 The vector diagram of current and voltage for a circuit is given. The components of the circuit will be
supporting img

1 \({L C R}\)
2 \({L R}\)
3 \({L C R}\) or \({L R}\)
4 None of these
PHXII07:ALTERNATING CURRENT

356037 When the \(K\) is pressed at \(t=0\) which of the following statements about the current \(I\) in the resistor \(A B\) of the given circuit is true?
supporting img

1 \(I = 2\,mA\) at all \(t\)
2 I oscilaltes between \(1\,mA\) and \(2\,mA\)
3 \(I = 1\,mA\) at all \(t\)
4 At \(t = 0,I = 2\,mA\) and with time, it goes to \(1\,mA\)
PHXII07:ALTERNATING CURRENT

356038 As per the given graph, choose the correct representation for curve \(A\) and curve \(B\). Where \(X_{C}=\) reactance of pure capacitive circuit connected with \(A.C.\) source
\(X_{L}=\) reactance of pure inductive circuit connected with \(A.C.\) source
\(R=\) impedance of pure resistive circuit connected with \(A.C.\) source
\(Z=\) Impedance of the \(L C R\) series circuit
supporting img

1 \(A=X_{L}, B=Z\)
2 \(A=X_{C}, B=R\)
3 \(A=X_{C}, B=X_{L}\)
4 \(A=X_{L}, B=R\)
PHXII07:ALTERNATING CURRENT

356039 Assertion :
The quantity \(L / R\) possesses dimensions of time.
Reason :
To reduce the rate of increases of current through a solenoid, can be increased the time constant \((L / R)\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356036 The vector diagram of current and voltage for a circuit is given. The components of the circuit will be
supporting img

1 \({L C R}\)
2 \({L R}\)
3 \({L C R}\) or \({L R}\)
4 None of these
PHXII07:ALTERNATING CURRENT

356037 When the \(K\) is pressed at \(t=0\) which of the following statements about the current \(I\) in the resistor \(A B\) of the given circuit is true?
supporting img

1 \(I = 2\,mA\) at all \(t\)
2 I oscilaltes between \(1\,mA\) and \(2\,mA\)
3 \(I = 1\,mA\) at all \(t\)
4 At \(t = 0,I = 2\,mA\) and with time, it goes to \(1\,mA\)
PHXII07:ALTERNATING CURRENT

356038 As per the given graph, choose the correct representation for curve \(A\) and curve \(B\). Where \(X_{C}=\) reactance of pure capacitive circuit connected with \(A.C.\) source
\(X_{L}=\) reactance of pure inductive circuit connected with \(A.C.\) source
\(R=\) impedance of pure resistive circuit connected with \(A.C.\) source
\(Z=\) Impedance of the \(L C R\) series circuit
supporting img

1 \(A=X_{L}, B=Z\)
2 \(A=X_{C}, B=R\)
3 \(A=X_{C}, B=X_{L}\)
4 \(A=X_{L}, B=R\)
PHXII07:ALTERNATING CURRENT

356039 Assertion :
The quantity \(L / R\) possesses dimensions of time.
Reason :
To reduce the rate of increases of current through a solenoid, can be increased the time constant \((L / R)\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII07:ALTERNATING CURRENT

356036 The vector diagram of current and voltage for a circuit is given. The components of the circuit will be
supporting img

1 \({L C R}\)
2 \({L R}\)
3 \({L C R}\) or \({L R}\)
4 None of these
PHXII07:ALTERNATING CURRENT

356037 When the \(K\) is pressed at \(t=0\) which of the following statements about the current \(I\) in the resistor \(A B\) of the given circuit is true?
supporting img

1 \(I = 2\,mA\) at all \(t\)
2 I oscilaltes between \(1\,mA\) and \(2\,mA\)
3 \(I = 1\,mA\) at all \(t\)
4 At \(t = 0,I = 2\,mA\) and with time, it goes to \(1\,mA\)
PHXII07:ALTERNATING CURRENT

356038 As per the given graph, choose the correct representation for curve \(A\) and curve \(B\). Where \(X_{C}=\) reactance of pure capacitive circuit connected with \(A.C.\) source
\(X_{L}=\) reactance of pure inductive circuit connected with \(A.C.\) source
\(R=\) impedance of pure resistive circuit connected with \(A.C.\) source
\(Z=\) Impedance of the \(L C R\) series circuit
supporting img

1 \(A=X_{L}, B=Z\)
2 \(A=X_{C}, B=R\)
3 \(A=X_{C}, B=X_{L}\)
4 \(A=X_{L}, B=R\)
PHXII07:ALTERNATING CURRENT

356039 Assertion :
The quantity \(L / R\) possesses dimensions of time.
Reason :
To reduce the rate of increases of current through a solenoid, can be increased the time constant \((L / R)\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.