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Two masses m1 =5 kg and m2 =10 kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is 0.15. The minimum weight m that should be put on top of m2 to stop the motion is:
27
Oct
Two masses m1 =5 kg and m2 =10 kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure. The coefficient of friction of horizontal surface is 0.15. The minimum weight m that should be put on top of m2 to stop the motion is: are moving as shown [...]
A typical light dimmer used to dim the stage lights in a theater consists of a variable inductor L (whose inductance is adjustable between zero and L max ) connected in series with a light bulb B, as shown in above figure. The electrical supply is 120 V (rms) at 60.0 Hz; the light bulb is rated at 120 V, 1000 W.
27
Oct
A typical light dimmer used to dim the stage lights in a theater consists of a variable inductor L (whose inductance is adjustable between zero and L max ) connected in series with a light bulb B, as shown in above figure. The electrical supply is 120 V (rms) at 60.0 Hz; the light [...]
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1000 W. ,
A typical light dimmer used to dim the stage lights in a theater consists of a variable inductor L (whose inductance is adjustable between zero and L max ) connected in series with a light bulb B ,
as shown in above figure. The electrical supply is 120 V (rms) at 60.0 Hz; the light bulb is rated at 120 V ,
A block kept on a rough inclined plane ,as shown in the figure, remains at rest upto a maximum force 2 N down the inclined plane. The maximum external force up the inclined plane that does not move the block is 10 N. The coefficient of static friction between the block and the plane is : [Taking g=10 m/s^2].
27
Oct
A block kept on a rough inclined plane ,as shown in the figure, remains at rest upto a maximum force 2 N down the inclined plane. The maximum external force up the inclined plane that does not move the block is 10 N. The coefficient of static friction between the block and the plane is [...]
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A block kept on a rough inclined plane ,
A mass of 10 kg is suspended vertically by a rope from the roof. When a horizontal force is applied on the rope at some point ,
As shown in the figure ,
the magnitude of the force applied is (g=10ms^−2) ,
the rope deviated at an angle of 45^∘ at the roof point. If the suspended mass is at equilibrium ,
For process 1, delta U is positive, for process 2 , delta U is zero and for process 3, delta U is negative. Find the parameters indicating x and y axes.
27
Oct
For process 1, delta U is positive, for process 2 , delta U is zero and for process 3, delta U is negative. Find the parameters indicating x and y axes. delta U is negative. Find the parameters indicating x and y axes. delta U is positive delta U is zero and for process 3 [...]
A DC ammeter and a hot wire ammeter are connected to a circuit in series. When a direct current is passed through a circuit, the DC ammeter shows 6 A. When AC current flows through a circuit, the AC ammeter shows 8 A. What will be reading of each ammeter if DC and AC currents flow simultaneously through the circuit?
27
Oct
A DC ammeter and a hot wire ammeter are connected to a circuit in series. When a direct current is passed through a circuit, the DC ammeter shows 6 A. When AC current flows through a circuit, the AC ammeter shows 8 A. What will be reading of each ammeter if DC and AC currents [...]
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A DC ammeter and a hot wire ammeter are connected to a circuit in series. When a direct current is passed through a circuit ,
the AC ammeter shows 8 A. What will be reading of each ammeter if DC and AC currents flow simultaneously through the circuit? ,
the DC ammeter shows 6 A. When AC current flows through a circuit ,
For a situation shown in figure, find the refrective index of glass so that it will suffer total internal reflection at the vertical surface.
27
Oct
For a situation shown in figure, find the refrective index of glass so that it will suffer total internal reflection at the vertical surface. find the refrective index of glass so that it will suffer total internal reflection at the vertical surface. For a situation shown in figure October 27, 2020 Category: AIIMS Last 24 [...]
If the mean free path of atoms is doubled then the pressure of gas will become
27
Oct
If the mean free path of atoms is doubled then the pressure of gas will become If the mean free path of atoms is doubled then the pressure of gas will become October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A particle of mass is moving in a straight line with momentum p. Starting at time t= 0, a force F= kt acts in the same direction on the moving particle during time interval T so that its momentum changes from p to 3p. Here k is constant . The value of T is :
27
Oct
A particle of mass is moving in a straight line with momentum p. Starting at time t= 0, a force F= kt acts in the same direction on the moving particle during time interval T so that its momentum changes from p to 3p. Here k is constant . The value of T is : [...]
P-T diagram is shown in given figure. Choose the corresponding V-T diagram.
27
Oct
P-T diagram is shown in given figure. Choose the corresponding V-T diagram. P-T diagram is shown in given figure. Choose the corresponding V-T diagram. October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Two alternating voltage generators produce emfs of the same amplitude E0 but with a phase difference of pie / 3. The resultant emf is
27
Oct
Two alternating voltage generators produce emfs of the same amplitude E0 but with a phase difference of pie / 3. The resultant emf is Two alternating voltage generators produce emfs of the same amplitude E0 but with a phase difference of pie / 3. The resultant emf is October 27, 2020 Category: Uncategorised (JEE Advanced [...]