Which of the following materials has an increase in resis...
Which of the following materials has an increase in resistance with temperature?
water
metals
wood
electrolyte
Correct answer is B
Resistance in metals are proportional to temperature
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A car travelling at a uniform speed of 120km h-1 passes two stations in 4 minutes. Calculate th...
The equivalent capacitance of a 3μF capacitor and a 6μF capacitor connected in paralle...
Which of the following statements is (are) NOT correct? i. pressure changes do not affect the spe...
An object is placed 15cm in front of a concave mirror of focal length 20cm. The image formed is ...