Resistance of metal is affected by

Related MCQs

• Particles that are un affected by strong nuclear force are
• Change in length and cross-sectional area of metal wire changes
• Frequency below which no electrons are emitted from metal surface is
• Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is
• Grid cables are 15 km long with a resistance of 0.20 Ω km-1, powers wasted as heat in these cables are
• Output resistance of an actual op-amp is
• When temperature rises, resistance of negative temperature coefficient thermistor
• If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is
• Graph of resistance of thermistor to temperature is
• Three resistances 20 Ω, 30 Ω and 60 Ω are connected in parallel, their combined resistance is given by