20) A train 100 m long passes a brindge at a speed of 72 kmph in 25 seconds. The length of the bridge is
Answer is:
400 m
Related RRB JE Mechanical Question Paper 2014 (Set-2) with Answers
Answer is:
1676 mm
Explanation:
1.676 Mts (1676 mm) is the distance between two tracks for broad gauge which is also known as the Indian gauge outside the subcontinent. It is called so because it is wider than the standard gauge and the widest gauge in regular passenger use in the world.
Answer is:
The ratio of small change in voltage to small change in current
Explanation:
The dynamic resistance can be defined from the I-V characteristic of a diode in forward biased. It is defined as the ratio of small change to voltage to small change in current, It is the inverse of the slope of I-V characteristics curve.
Answer is: