Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator A conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Thermal conductivity Resistance Conductance Reluctance Thermal conductivity Resistance Conductance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases Remains same Decreases None of these Increases Remains same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Capacitance Resistance Impedance Inductance Capacitance Resistance Impedance Inductance ANSWER DOWNLOAD EXAMIANS APP
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