List of top Questions asked in OJEE

When the switch S in the circuit shown is closed, then the value of current i will be ____.

A dishonest shopkeeper professes to sell his goods at cost price but uses a false weight of 920 grams for a 1 kg weight. What is his overall profit percentage?
Consider an infinite series with first term a and common ratio r. If its sum is 4 and the second term is \(\frac{3}{4}\), then
The pointer in a current measuring instrument returns to zero position when it is disconnected. This is due to ____.
The horizontal range of a projectile (R) is given by: ____.
The unit of angular velocity is: ____.
Which of the following statement is correct in connection with projectiles?
The time of flight (t) of a projectile on a horizontal plane is given by: ____.
The maximum height of a projectile on a horizontal plane is: ____.
The armature of a DC motor has resistance of 0.1 ohm and is connected to a 250 V supply. The generated emf when the motor is taking 60 A will be ____.
Range of data 5, 10, 15, 20 is ____.
The frequency of the emf induced in the rotor circuit of a three phase. 50 Hz, 4 pole induction motor running at 1425 RPM is
Electrolyte used in lead acid battery is
Find effective capacitance between A and B is:

Ten 100 W light bulb burns on an average of 10 hours a day for one week. The weekly consumption of energy will be ____ units.
If all observations are increased by 5 their mean ____.
The mean of number 2, 4, 6, 8 is ____.
The total motion possessed by a body is called: ____.
Mode of data 2, 3, 3, 5, 7 is ____.
Probability of an impossible event is ____.
The law of motion involved in the recoil of gun is: ____.
If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion: ____.
An a.c. source of 200 V rms supplies active power of 600 W and reactive power of 800 VAR. The rms current drawn from the source is ____.
The matter contained in a body is called: ____.
The force by which the body is attracted towards the centre of the earth is called: ____.