Physics-
General
Easy
Question
If I1, I2, I3 and I4 are the respective r.m.s. values of the time varying currents as shown in the four cases I, II, III and IV. Then identify the correct relations.
The correct answer is:
Related Questions to study
physics-
In the circuit diagram shown, XC = 100 , XL = 200 and R = 100 . The effective current through the source is
In the circuit diagram shown, XC = 100 , XL = 200 and R = 100 . The effective current through the source is
physics-General
physics-
The direct current which would give the same heating effect in an equal constant resistance as the current shown in figure, i.e. the r.m.s. current, is
The direct current which would give the same heating effect in an equal constant resistance as the current shown in figure, i.e. the r.m.s. current, is
physics-General
physics-
The given figure represents the phasor diagram of a series LCR circuit connected to an ac source. At the instant t¢ when the source voltage is given by , the current in the circuit will be
The given figure represents the phasor diagram of a series LCR circuit connected to an ac source. At the instant t¢ when the source voltage is given by , the current in the circuit will be
physics-General
physics-
In a series CR circuit shown in figure, the applied voltage is 10 V and the voltage across capacitor is found to be 8V. Then the voltage across R, and the phase difference between current and the applied voltage will respectively be
In a series CR circuit shown in figure, the applied voltage is 10 V and the voltage across capacitor is found to be 8V. Then the voltage across R, and the phase difference between current and the applied voltage will respectively be
physics-General
physics-
In the circuit shown if the emf of source at an instant is 5 V, the potential difference across capacitor at the same instant is 4 V. The potential difference across R at that instant can be
In the circuit shown if the emf of source at an instant is 5 V, the potential difference across capacitor at the same instant is 4 V. The potential difference across R at that instant can be
physics-General
physics-
In the circuit shown in the figure, Switch S is closed at time t = 0. The current through C and L would be equal after a time t equal to
In the circuit shown in the figure, Switch S is closed at time t = 0. The current through C and L would be equal after a time t equal to
physics-General
physics-
In the circuit, as shown in the figure, if the value of R.M.S current is 2.2 ampere, the power factor of the box is
In the circuit, as shown in the figure, if the value of R.M.S current is 2.2 ampere, the power factor of the box is
physics-General
physics-
An ac-circuit having supply voltage E consists of a resistor of resistance 3 and an inductor of reactance 4 as shown in the figure. The voltage across the inductor at t = T/2 is
An ac-circuit having supply voltage E consists of a resistor of resistance 3 and an inductor of reactance 4 as shown in the figure. The voltage across the inductor at t = T/2 is
physics-General
chemistry-
An element is made up of.
An element is made up of.
chemistry-General
chemistry-
Which of the following is not an element ?
Which of the following is not an element ?
chemistry-General
chemistry-
Room freshners are based on the property of...
Room freshners are based on the property of...
chemistry-General
chemistry-
Oxygen and nitrogen can be separated from air by the process of ............ .
Oxygen and nitrogen can be separated from air by the process of ............ .
chemistry-General
chemistry-
The process due to which a gas changes into liquid state by giving out heat energy is called...
The process due to which a gas changes into liquid state by giving out heat energy is called...
chemistry-General
chemistry-
Numerical value of melting point & freezing point are....
Numerical value of melting point & freezing point are....
chemistry-General
chemistry-
The melting point of ice is 0ºC and the freezing point of water is....
The melting point of ice is 0ºC and the freezing point of water is....
chemistry-General