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Solve for rate of dissipation of electrical energy in the external resistor
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- Four identical cells, each having an EMF of 1.5 V are connected in series. What is their combined EMF? A. 0.375 VB. 0.75 VC. 1.5 VD. 6.0 VA BJT has an IB of 50 µA and a βDC of 75; IC is7. In a DC circuit 8.41 x 10 19 electrons travel through a point in the circuit in two seconds. What current is in the circuit? a. 7.43 Amperes b. 5.36 Amperes c. 6.73 Amperes d. 1.10 Amperes e. 8.41 x 1019 Amperes
- Find the Total resistance when they are connected in parallel .R1=20 ohm R2 = 15 ohm R3 = 10 ohmA hair dryer uses 120 V and generates 1875 W. The resistance in the hair dryer is _____ Ohms.The following appliances are connected to a single 120 V, 15 A circuit in a kitchen: a 330 W blender, a 1000 W coffeepot, a 150 W coffee grinder, and a 750 W microwave oven. If these are all turned on at the same time, will they trip the circuit breaker?