A source of frequency of 800 Hz emits waves of wavelength 0.5 m, how long does the waves take to travel 400 m?
The centrifugal switch in a single phase motor _________ of the motor.
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The V-I characteristic of a resistor is I = 2V2. The resistor is
Least suitable transducer for static pressure measurement is-
Which among the following is/are output devices?
I. Scanner
II. Speaker
III. Plotter
The voltage transformation ratio of a transformer is equal to the ration of:
Comparing same size single-phase induction motors, which one of the following has the highest starting torque?
If we increase the current sensitivity of a galvanometer the voltage sensitivity will
Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:
Consider a situation where a particular laboratory has several resisters of 100 Ω only. Which of the following combinations is the best for replacing a 150 Ω resistor in a circuit using the resistors available in the laboratory?
If there are three resistances each of 2 ohm and generate the effective resistance of 3 ohm so how will the connection of the three resistances in the circuit?
The magnification of the lens is defined as the ratio of: