Part 2
A 100 W bulb B1 and two 60 W bulbs B2 and B3, are connected to a 250 V source, as shown in the figure. Now W1,W2 and W3 are the output powers of the bulbs B1,B2 and B3 respectively. Then,
02
Dec
A 100 W bulb B1 and two 60 W bulbs B2 and B3, are connected to a 250 V source, as shown in the figure. Now W1,W2 and W3 are the output powers of the bulbs B1,B2 and B3 respectively. Then, A 100 W bulb B1 and two 60 W bulbs B2 and B3 are [...]
A heater (1000 W-100 V) is connected in combination with a resistance R to a 100 V mains as shown in figure. The value of R so, that the heater operates with a power of 62.5 watt.
02
Dec
A heater (1000 W-100 V) is connected in combination with a resistance R to a 100 V mains as shown in figure. The value of R so, that the heater operates with a power of 62.5 watt. A heater (1000 W-100 V) is connected in combination with a resistance R to a 100 V mains [...]
A series circuit consists of three identical lamps connected to a battery as in Fig. when the switch S is closed,
02
Dec
A series circuit consists of three identical lamps connected to a battery as in Fig. when the switch S is closed, A series circuit consists of three identical lamps connected to a battery as in Fig. when the switch S is closed December 2, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - [...]
A standard 50W electric bulb in series with a room heater is connected across the mains. If the 50W bulb is replaced by 100W bulb the heater output will
02
Dec
A standard 50W electric bulb in series with a room heater is connected across the mains. If the 50W bulb is replaced by 100W bulb the heater output will A standard 50W electric bulb in series with a room heater is connected across the mains. If the 50W bulb is replaced by 100W bulb the [...]
Two tungsten lamps A and B of resistances R1 and R2 respectively are connected in a circuit of negligible internal resistance, if R1>R2 (i) The lamp A will glow brightly if lamps are connected in series (ii) the lamb A will glow brightly if lamps are connected in parallel (iii) the lamp B will glow brightly if lamps are connected in series. (iv) the lamb B will glow brightly if lamps are connected in parallel
02
Dec
Two tungsten lamps A and B of resistances R1 and R2 respectively are connected in a circuit of negligible internal resistance, if R1>R2 (i) The lamp A will glow brightly if lamps are connected in series (ii) the lamb A will glow brightly if lamps are connected in parallel (iii) the lamp B will glow [...]
A 25W−120V bulb and a 100W−120V bulb are connected in series across 120V line. Which bulb will be brighter?
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Dec
A 25W−120V bulb and a 100W−120V bulb are connected in series across 120V line. Which bulb will be brighter? A 25W−120V bulb and a 100W−120V bulb are connected in series across 120V line. Which bulb will be brighter? December 2, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity , Part [...]
Two bulbs one of 60 W and the other of 100 W , are connected in series across a supply (i) The current through each is same (ii)The potential drop across 60W bulb is more (iii) The potential drop acorss each is the same (iv) The current through 100W bulb is more
02
Dec
Two bulbs one of 60 W and the other of 100 W , are connected in series across a supply (i) The current through each is same (ii)The potential drop across 60W bulb is more (iii) The potential drop acorss each is the same (iv) The current through 100W bulb is more The power dissipated [...]
A 200W and a 100W , both meant for operation at 220V are connected to a 220V supply. The total power consumed by them will be
02
Dec
A 200W and a 100W , both meant for operation at 220V are connected to a 220V supply. The total power consumed by them will be A 200W and a 100W both meant for operation at 220V are connected to a 220V supply. The total power consumed by them will be December 2, 2020 Category: [...]
Two electric bulbs, one of 200V, 40W, and the other 220V, 100W are connected in a house wiring circuit
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Dec
Two electric bulbs, one of 200V, 40W, and the other 220V, 100W are connected in a house wiring circuit 100W are connected in a house wiring circuit 40W and the other 220V one of 200V Two electric bulbs December 2, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Current Electricity , Part [...]
A 100W bulb and a 25W bulb are designed for the same voltage. They have filaments of the same length and material. The ratio of the diameter of 100W bulb to that of the 25W bulb is
02
Dec
A 100W bulb and a 25W bulb are designed for the same voltage. They have filaments of the same length and material. The ratio of the diameter of 100W bulb to that of the 25W bulb is A 100W bulb and a 25W bulb are designed for the same voltage. They have filaments of the [...]