Three lamps of 75 Ω, 100 Ω and 250 Ω, are connected in parallel. What is the total resistance?
Three lamps of 75 Ω, 100 Ω and 250 Ω, are connected in parallel. What is...
21. Three lamps of 750, 100 Q and 250 m, are connected in parallel. What is the total resistance? a. 425 Q b. 1410 C. 372 d..0270 22 A computer is left on all week. It continually consumes 15 W of power. Electricity costs 10 cents per KW-hr. How much does this cost? a. 25 cents b. 36 cents C. $2.52 d. 515.12 23 An electron and a proton are 1.0x10-6 m. apart. Calculate the force between them in Newtons,...
Three 50-Ω lightbulbs and three 65-Ω lightbulbs are connected in series. A. What is the total resistance of the circuit? B. What is the total resistance if all six are wired in parallel?
Three 50-Ω lightbulbs and three 60-Ω lightbulbs are connected in series. What is the total resistance of the circuit? What is the total resistance if all six are wired in parallel?
Three identical lamps are connected in parallel and powered by a 6-Volt battery. Each lamp has 3 ohms of resistance. How much total current is delivered by the battery?
A 44.5 Ω resistor and a 93.7 Ω resistor are connected in parallel, and the combination is connected across a 120 V dc line. A) What is the resistance of the parallel combination? Express your answer in ohms to three significant figures. B)What is the total current through the parallel combination? Express your answer in amperes to three significant figures. C)What is the current through the 44.5 Ω resistor? Express your answer in amperes to three significant figures. D)What is...
A 47-Ω and a 30-Ω resistors are connected in parallel, and the combination is connected across a 240-V dc line. 1) What is the resistance of the parallel combination? 2) What is the total current through the parallel combination? 3) What is the current through the 47-Ω resistor? 4) What is the current through the 30-Ω resistor?
Three identical resistances, each 9 Ω, are connected in parallel with one another as shown. The combination is connected to a 10-V battery whose internal resistance is negligible. What is the equivalent resistance of this parallel combination? Round the final answer to the nearest whole number. How much current flows through each resistor in the combination? Round the final answer to two decimal places.
Two identical resistors, R1 and R2, are
connected in parallel, and this parallel combination is then
connected in series with a 100 Ω resistor, R3 as shown
below
If the total resistance of the circuit is 300 Ω what must be the
resistance of R1 and R2? If the circuit is
connected to a 30V battery, what would the current through
R1? What voltage is a dropped across R3?
100 S
Three resistors (234 Ω, 159 Ω, and 301 Ω) are connected in a DC circuit. Determine the equivalent resistance if: a. Each resistor is connected in series. Req = ______ Ω b. The resistors are connected in parallel to each other. Req = _______ Ω
A 78-Ω loudspeaker, a 6.4-Ω loudspeaker, and a 2.5-Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors.