Two light bulbs in a circuit powered by one battery

Reference no: EM13646914

There are two light bulbs in a circuit, powered by one battery. One light bulb is a 100 watt light bulb and the other a 200 watt light bulb. How much power must the battery be supplying for the lights to be running at full power?

Reference no: EM13646914

Questions Cloud

The takeoff speed for a jet liner : The takeoff speed for a jet liner is 100 m/s. The mass of the airliner = 30 x 103kg, coefficient of friction between its tires and runway surface =0.1, and the engine thrust = 150 x 103N. Starting from rest, how much time is needed for take off?

Speed of the racket change as aresult of the collision : A tennis ball initially moves with a velocity of 28.0 m/s horizontally to the right. A tennis racketstrikes the ball, giving it a velocity of 28.0 m/s to the left. Treat the collision as elasticand the ball and racket as particles of mass 0.0580 k..

What is the speed of the block immediately after bullet : A bullet of mass 5.5 g is fired horizontally into a 2.1 kg wooden block at rest on a horizontalsurface. The coefficient of kinetic friction between block andsurface is 0.42. The bullet comes to rest in the block, which moves1.50 m.

What is the resistance of each heating element : A portable electric heater is powered by a 45 V battery. Ithas four identical heating elements inside, wired in series. If acurrent of 14 A runs through them when the heateris turned on, what is the resistance of each heating element?

Two light bulbs in a circuit powered by one battery : There are two light bulbs in a circuit, powered by one battery. One light bulb is a 100 watt light bulb and the other a 200 watt light bulb. How much power must the battery be supplying for the lights to be running at full power?

What is the magnitude of the constant force : The linear momentum of a 1300 kg carincreased by 6.30×103 kg m/s in13.7 s. What is the magnitude of the constant force that accelerated the car? By how much did the speed of the car increase?

What impulse was applied to the ball during the collision : A rubber ball of mass 37.5 g is dropped from a height of 1.80 m onto a floor. Thevelocity of the ball is reversed by the collision with the floor,and the ball rebounds to a height of 1.55m. What impulse was applied to the ball during the collision..

Two spheres are mounted on identical horizontal springs : Two spheres are mounted on identical horizontal springs and rest ona frictionless table, as in the drawing. When the spheres areuncharged, the spacing between them is dx =0.05 m, and the springs are unstrained.

Bullet of mass-kineticfriction between block-surface : A bullet of mass 6.3 g is fired horizontally into a 1.2 kg woodenblock at rest on a horizontal surface. The coefficient of kineticfriction between block and surface is 0.25. The bullet stops in theblock, which slides straight ahead for 2.7 m

User Account

All Pages