a) When they are connected in series the equivalent resistance is:
then the electric power consumed is:
b) When they are connected in parallel the equivalent resistance is:
then the power consumed is:
c) To get the maximum heat they must be conncted in parallel.
All elect lie healer has the resistance R = 10ohm. Two identical electric heaters are connected...
Six identical resistors, each with resistance R, are connected to an emf E. A)What is the current I through each of the resistors if they are connected in parallel? Express your answer in terms of the variables E and R. B)If they are connected in series? Express your answer in terms of the variables E and R. C)For which network of resistors, series or parallel, is the power consumed in each resistor greater? For which network of resistors, series or...
Three identical resistors, when connected in series, transform electrical energy into thermal energy at a rate of 9.0 WW (3.0 WW per resistor). Determine the power consumed by the resistors when connected in parallel to the same potential difference.
(2 pt) Two identical resistors are connected first in series and then in parallel hich combination has the larger net resistance A. the pair in series B. the pair in parallel C. The two combinations have the same resistance, (2 pt) Which is(are) true? The emf of a source of electric potential energy is A. the amount of electric energy delivered by the source per coulomb of positive charge as this charge passes through the source from the low to...
2) Two identical cylindrical conductors each has a cross section area of 0.8 cm2 = 8.0 × 10-5 m2. length of 1.2 cm, and resistivity 0.1 Ω·m. T. When the cylinders are connected in series, calculate the total resistance two different ways and verify that you get the same answer. g. If the battery has a potential difference of 6 V, calculate the current flowing from the battery when these two resistors are connected in series. h. Draw a single...
Suppose you have a DC power supply connected in series with two identical resistors by low-resistance connecting wires. You set the power supply to a potential difference of 6.0 V. Which of the following statements, if any, hold true? The same potential difference will appear across each resistor. The same amount of current will flow through each resistor. The same amount of current will flow through the power supply as flows through each resistor. The potential difference across each resistor...
a.When two resistors RA and RB are combined in series and connected to a battery it is observed that the ratio of the power dissipated in RA to that dissipated in RB is equal to 10. If this arrangement is dismantled and the same two resistors connected in parallel to the same battery, what is the ratio of the power dissipated in RA to that dissipated in RB in this new circuit? b.How much energy is converted by a 12...
Two electrical loads are connected in parallel to a 380 V, 50 Hz, three phase supply. The first load consists of three identical impedance each 7 Ω resistance and 5Ω inductive resistance, connected in star. The second load consists of three identical impedances, each 12 Ω resistance and 8 Ω capacitive reactance connected in delta. Sketch the arrangement described above Calculate Zph1 and Zph2[Zph1= 8.6Ω 35.54°; Zph2= 14.42 Ω -33.69°] Determine Iph1 and Iph2[Iph1= 25.51A -35.54°; Iph2= 26.35A +33.69°] IL1...
Two resistors having different resistances are connected in parallel. The equivalent resistance is always Select one: O a. equal to the larger resistance. O b. equal to the smaller resistance. O c. smaller than the smaller resistance. d. between the two resistances. O e. larger than the larger resistance. A battery with potential difference 17.9 V is across two resistors that are in series. The potential difference across one of the resistors is 5.7 V. The potential difference across the...
Two resistors are connected in parallel across an ideal 12.0 Volts battery. Resistor A has a value of 28 ohm and resistor B carries a current of 1.0169 A. 1.) What is the potential difference across resistor A? 2.) What is the potential difference across resistor B? 3.)What is the current in resistor A? 4.)What is the resistance of B? 5.)What is the total power dissipated in the circuit?
A Investigation #11: Non-Identical Bulbs in Series and Parallel All of the circuits you have investigated so far have involved identical bulbs. If two bulbs are identical and one bulb is brighter, then the brighter bulb must have a larger current thru it. Furthermore, the larger current must be caused by a larger potential difference. In this investigation, you will study circuits for which the bulbs are not identical. We will illustrate that two Spherical bulbs are not identical by...