Lead pencils contain graphite (a form of carbon), not lead. In fact, contrary to what many people believe, lead pencils never were made with lead.
105) Writing pencil contains
Answer is:
Graphite
Explanation:
Related RRB JE Mechanical Question Paper 2014 (Set-3) with Answer Key
Answer is:
High valued resistance, particularly insulated resistance
Answer is:
full cycle
Explanation:
In a class A amplifier with a sinusoidal input signal, the output current flows for full cycle i.e. 360° whereas, in a class B amplifier with a sinusoidal input signal, the output current flows for half cycle i.e. 180°.
Answer is: