Three resistor are connected in series to a 25v-battery. The resistances are 8 ohms, R, and 16 ohms. If the 16 ohms resistor absorbs 5W, the ohmic value of R is closest t

Q: When connected to a 120-V source, an electric heater is rated at 1200 V and a toaster at 6.0x10^2 V.…

A: Given data:  Voltage (V) = 120 V Power rating of electric heater (P1) = 1200 W Power rating of…

Q: What is the total resistance of two resistors, R1 = 4.6 Ω and R2 = 7.9 Ω when they are connected in…

A:

Q: Tha battery with unknown emf and internal resistance r is supplying electrical power of 18 mw.to a…

A: correct option  (B) 6 mV

Q: Two 6V and 12V batteries, whose internal resistance is ignored, were connected to two resistors with…

A:

Q: When a R = 90.8 Q resistor is connected across a 12 V battery, a current of 122.7 mA flows. What is…

A: solution as

Q: Three resistors are connected as shown below. R1 = 3.0 Ω, R2 = 2.0 Ω, and R3 = 4.0 Ω. The voltage…

A:

Q: A 27-V battery is connected to this network of resistors. The resistance ?R shown is 10.2 Ω. (a)…

A: Given, Voltage V= 27 Volt and resistor R = 10.2 ohm

Q: A circuit contains four resistors. Resistor R has a resistance of 49.0 2, resistor R, has a…

A: Power dissipation P = I2 R

Q: When a R = 87 Q resistor is connected across a 11.2 V battery, a current of 112.5 mA flows. What is…

A: Using KVL. ε-i(Rint+Rext)=0and Vt=terminal PD=ε-iRint

Q: What is the resistance of a wire with a length of 43.4 m and a radius of 2.8 mm, made from a metal…

A: Given data: The length is L=43.4 m The radius is r=2.8 mm The resistivity is ρ=6.0×10-8 Ω.m The area…

Q: When a R = 88.3 Q resistor is connected across a.11.3 V battery, a current of 114.4 mA flows. What…

A:

Q: How long is a wire made from 100 cm³ of copper if its resistance is 4.00 ohms? The resistivity of…

A: Given data: The volume of the wire is V=100 cm3 The resistance is R=4.00 ohm The resistivity of…

Q: In the figure a voltmeter of resistance Ry = 391 2 and an ammeter of resistance RA = 1.56 2 are…

A: Given,

Q: Assuming that you would want to make a uniform wire out of 5 grams of copper. If this wire is to…

A:

Q: A 150-volt electromotive force is applied to an RC-series circuit in which the resistance is 1500…

A: SOlution: Given that C = 5x10-6 F R = 1500 ohm E = 150 V

Q: When a R = 90 Q resistor is connected across a 12 V battery, a current of 122 mA flows. What is the…

A: The expression for find internal resistance of battery is I=εR+rr=εI-R Substitute values in the…

Q: The emf of a battery is 12.0 volts. When the battery delivers a current of 0.500 ampere to a load,…

A: Given data: The emf of battery is ε=12.0 V. The current delivered to load is I=0.5 A. The potential…

Q: A resistor is to have a constant resistance of 30.0 ohms, independent of temperature. For this, an…

A: Given data: Constant resistance R=30Ω

Q: When a R =92.4 Q resistor is connected across a 12.4 V battery, a current of 123.5 mA flows. What is…

A:

Q: An RC has a resistor with a resistance of 12 ohms and a capacitor with a capacitance of 1.4 F. The…

A: Resistance, R = 12 Ω Capacitance, C = 1.4 F Max charge, Qmax = 11 C Charge at time t, q(t) = 0.6875…

Q: Two identical resistors of 276 Ohms are configured in parallel and connected to a 13.3V power…

A: Write the resistance of a resistor.   R=276 Ohms   Write the voltage difference between the…

Q: A copper wire has diameter 0.5 mm and resistivity of 1.6 × 10-8 Ω m. What will be the length of this…

A:

Q: A 15-ohm resistor has a constant current. If 3300 C of charge flow through it in 5 minutes what is…

A: We need to calculate the value of electric current in the circuit.

Q: When a R = 88.9 Q resistor is connected across a 11.1 V battery, a current of 113.9 mA flows. What…

A: Taking 'r' to be the internal resistance of the battery, so the total equivalent resistance of the…

Q: When a R =88.7 Q resistor is connected across a 11.1 V battery, a current of 112.8 mA flows. What is…

A:

Q: When a R = 88.4 Q resistor is connected across a 11.2 V battery, a current of 113.3 mA flows. What…

A: Given  R = 88.4 ohm  V = 11.2 V  I = 113.3 mA  Rint =???

Q: In the figure resistor 1 = 92 2, resistor 2 = 51 22, and the ideal batteries have emfs ₁ = 28 volts,…

A:

Q: What is the emf of a battery with a 0.15 ΩΩ internal resistance if the battery delivers 1.5 A to an…

A: According to the ohms law, emf of the battery is given by E = I×(R+r) where E = emf of the battery I…

Q: An iron wire has a diameter 3.65 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

A: Formula of resistance is as follows: R=ρLA…

Q: The potential at the terminals of the battery falls from 14V on open circuit to 12V when a resistor…

A:

Q: A battery is manufactured to have an emf of 24.0 V, but the terminal voltage is only 22.0 V when the…

A:

Q: A wire of resistance 5.0 ohm is connected to a battery whose emf  is 2.0 V and whose internal…

A: It is given that

Q: A 16-ohm resistor is connected in series with a parallel combination of two resistor, one of which…

A:

Q: A 10-ohm resistor has a constant current. If 1200 C of charge flow through it in 4 minutes what is…

A:

Q: If 12- V battery supplies 1.90 A to a 2.74 resistor. What is its internal resistance ?

A: Given data:  Battery emf (E) = 12 V Current (I) = 1.90 A Resistance (R) = 2.74 Ω Required: Internal…

Q: A conductor has a diameter of 2.59 mm. How many meters of this material are needed to yield a…

A: Resistivity of the conductor is ρ=1.77×10-8 Ω/m Diameter of the conductor d=2.59×10-3 m So, radius…

Q: . In the circuit shown, calculate the following: a. The equivalent resistance b. The total current…

A:

Q: A 200-2 resistor and a 500-2 resistor are in series as a part of a larger circuit. If the voltage…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A 200-volt electromotive force is applied to an RC-series circuit in which the resistance is 1000…

A:

Q: current of 2.16 is generated from a battery whose internal resistance is 0.85. You measure the…

A:

Q: A battery has a terminal voltage of 13.5 V when no current flows. Its internal resistance is 2.00 Ω.…

A:

Q: How long Lis a tungsten wire if it has a diameter of 0.173 x 10-3 m and a resistance of 2.77 k2? The…

A: Given Data:- The diameter of the tungsten wire is d = 0.173 x 10-3 m. The resistance of the…

Q: Tha battery with unknown emf and internal resistance r is supplying electrical power of 18 mw to a…

A:

Q: A battery has an emf of 14.0 V and an internal resistance of 0.08 ohms. Its terminals are connected…

A: Data given: Battery emf (ε) = 14 V Internal resistance (r) = 0.08 ohms Load resistance (R) = 3.00…