Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 50 J 150 J 100 J 75 J 50 J 150 J 100 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Actual current Alternate current Induced current Direct current Actual current Alternate current Induced current Direct current ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Switch Rectifier Amplifier Regulator Switch Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Becomes half Increases Decreases Remains the same Becomes half Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ionosphere Ozonosphere Troposphere Stratosphere Ionosphere Ozonosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? Both will reach the same height The lighter mass will reach greater height The heavier mass will reach greater height Any of them may reach greater height Both will reach the same height The lighter mass will reach greater height The heavier mass will reach greater height Any of them may reach greater height ANSWER DOWNLOAD EXAMIANS APP