Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 9.6 A 4.6 A, 6.9 A 6.4 A, 9.6 A 6.4 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light There will be heavy current in the main line All three bulbs will light The other two bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line All three bulbs will light The other two bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/°C mhos/ohm°C ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ohms/ohm°C ohms/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest voltage drop The lowest resistance has the highest current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS