Current Electricity and Electrical InstrumentHard
Question
Statement-1 : Resistance of thermistor always decreases with the increase in temperature.
Statement-2 : Thermistor is made metal oxide which has negative thermal coefficient.
Statement-2 : Thermistor is made metal oxide which has negative thermal coefficient.
Options
A.Statement-1 is true, Statement-2 is true; Statement-2 is not the correct explanation of Statement-1.
B.Statement-1 is false, Statement-2 is true.
C.Statement-1 is true, Statement-2 is false.
D.Statement-1 is true, Statement-2 is true; Statement-2 is the correct explanation of Statement-1.
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A piece of copper and another of germanium are cooled from room temperature to 77 K, the resistance of...If an ammeter is to be used in place of a voltmeter, then we must connect with the ammeter a...A 25 cm long solenoid has radius 2 cm and 500 total number of turns. It carries a current of 15 A. If it isequivalent to...In potentiometer experiment when terminals of the cell is at distance of 52cm, then no current flows through it. When 5&...A steady current flows in a metalic conductor of non-uniform cross section. The quantity/ quantities constant along the ...