Physics The best material for the core of a transformer is Stainless steel Soft iron Mild steel Hard steel Stainless steel Soft iron Mild steel Hard steel ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Infrasonic wave Ultrasonic wave Microwave Audible wave Infrasonic wave Ultrasonic wave Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Gas is reactive with the needle. Nail exerts more pressure than needle on the balloon. Needle exerts more pressure than nail on the balloon. Nail is more longer than needle. Gas is reactive with the needle. Nail exerts more pressure than needle on the balloon. ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Amplifier Regulator Rectifier Switch Amplifier Regulator Rectifier Switch ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The ultraviolet rays G-rays X-rays The infra-red rays The ultraviolet rays G-rays X-rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Frequency Displacement Acceleration Velocity Frequency Displacement Acceleration Velocity ANSWER DOWNLOAD EXAMIANS APP
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