A. ohms/°C
B. mhos/ohm°C
C. ohms/ohm°C
D. mhos/°C
A. current through supply line flows at slower speed
B. supply wiring is covered with insulation layer
C. resistance of heater coil is more than the supply wires
D. supply wires are made of superior material
A. resistance must be uniform
B. current should be proportional to the size of the resistance
C. resistance must be wire wound type
D. temperature at positive end should be more than the temperature at negative end
A. A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator
B. A semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator
C. A semi-conductor is one which con¬ducts only half of the applied voltage
D. A semi-conductor is a material made of alternate layers of conducting material and insulator
A. has lower wattage rating
B. has higher wattage rating
C. has large number of turns
D. offers large number of tapping
A. zero
B. infinite
C. high but within tolerance
D. low but not zero
A. Varistors
B. Thermistor
C. Semi-conductors
D. Variable resistors
A. conductance
B. resistance
C. reluctance
D. thermal conductivity
A. for inductive circuits
B. to supress surges
C. as heating elements
D. as current stabilizers
A. 1840
B. 1840
C. 30
D. 4