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when 100 V dc is supplied across a solenoid, a current of 1 A flows in it. when 100 V ac is applied across the same coil, the current drops to 5 A. if the frequency of ac source is 50 Hz, then the impedence and inductance of solenoid are
11
Sep
when 100 V dc is supplied across a solenoid, a current of 1 A flows in it. when 100 V ac is applied across the same coil, the current drops to 5 A. if the frequency of ac source is 50 Hz, then the impedence and inductance of solenoid are a current of 1 A [...]
A bulb and a capacitor are in series with an ac source. On increasing frequency how will glow of the bulb change?
11
Sep
A bulb and a capacitor are in series with an ac source. On increasing frequency how will glow of the bulb change? A bulb and a capacitor are in series with an ac source. On increasing frequency how will glow of the bulb change? September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
An alternating emf is applied across a parallel combination of a resistance R, capacitance C and an inductance L. If IR,IL,IC are the currents through R,L and C respectively. Then the diagram which correctely represents, the phase relationship among IR,IL,IC and source emf Em is given by
11
Sep
An alternating emf is applied across a parallel combination of a resistance R, capacitance C and an inductance L. If IR,IL,IC are the currents through R,L and C respectively. Then the diagram which correctely represents, the phase relationship among IR,IL,IC and source emf Em is given by An alternating emf is applied across a parallel [...]
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An alternating emf is applied across a parallel combination of a resistance R ,
capacitance C and an inductance L. If IR ,
IC and source emf Em is given by ,
IC are the currents through R ,
IL ,
L and C respectively. Then the diagram which correctely represents ,
the phase relationship among IR ,
which of the following curves correctly represents the capacitive reactance Xc with frequency f
11
Sep
which of the following curves correctly represents the capacitive reactance Xc with frequency f which of the following curves correctly represents the capacitive reactance Xc with frequency f September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The graphs given below depict the dependence of two reactive impedances X1 and X2 on the frequency of the alternating e.m.f. applied individually to them. we can then say that
11
Sep
The graphs given below depict the dependence of two reactive impedances X1 and X2 on the frequency of the alternating e.m.f. applied individually to them. we can then say that and the phase relationship between the voltages? Two sinusoidal voltages of the same frequency are shown in the diagram. What is the frequency September 11, [...]
In pure inductive circuit, the curves between frequency f and reciprocal of inductive reactance I/x is
11
Sep
In pure inductive circuit, the curves between frequency f and reciprocal of inductive reactance I/x is In pure inductive circuit the curves between frequency f and reciprocal of inductive reactance I/x is September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The voltage across a pure inductor is represented by the following diagram. which one of the following diagram will represent the current?
11
Sep
The voltage across a pure inductor is represented by the following diagram. which one of the following diagram will represent the current? The voltage across a pure inductor is represented by the following diagram. which one of the following diagram will represent the current? September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Two sinusoidal voltages of the same frequency are shown in the diagram. What is the frequency, and the phase relationship between the voltages?
11
Sep
Two sinusoidal voltages of the same frequency are shown in the diagram. What is the frequency, and the phase relationship between the voltages? and the phase relationship between the voltages? Two sinusoidal voltages of the same frequency are shown in the diagram. What is the frequency September 11, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The current “i” in an inductance coil varies with time “t” according to following graph: Which one of the following plot shows the variations of voltage in the coil?
11
Sep
The current “i” in an inductance coil varies with time “t” according to following graph: Which one of the following plot shows the variations of voltage in the coil? The current "i" in an inductance coil varies with time "t" according to following graph: Which one of the following plot shows the variations of voltage [...]
The out put current versus time curve of a rectifier is shown in the figure. The average value of output in this case is
11
Sep
The out put current versus time curve of a rectifier is shown in the figure. The average value of output in this case is The out put current versus time curve of a rectifier is shown in the figure. The average value of output in this case is September 11, 2020 Category: Uncategorised (JEE Advanced [...]