A (20.1 +/-0.2) ohms resistor is connected in parallel with a (39.9 +/- 0.4) ohm resistor. THe resistors are connected to a (2.90+/-0.3)V battery. a) Find the equivalent resistance (including uncertainty). b) Calculate the toal current in the circuilt (including uncertainty) c) Determine the value of the current in each branche of the circuit (including uncertainty).

Q: current is increased to 3.0 A? 2. A device is connected to a 210 V source. How much current is…

A: Q2. Given that  Potential difference across the device V = 210 Volt Let the current through the…

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A:

Q: A copper wire has a diameter 9.7 mm and resistivity 1.6 x 10-8 Om. What will be the length of this…

A: solution as

Q: When a R = 87.7 resistor is connected across a 11.3 V battery, a current of 113.2 mA flows. What is…

A: Emf = 11.3 V R = 87.7 ohm current = 113.2 mA = 0.1132 A

Q: A resistor rated at 250 k Ω is connected across two D cell batteries (each 1.50 V) in series, with a…

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Q: Over the course of an 8 hour day, 3.8x104 C of charge A 0.50-W, 220- 2 resistor carries the maximum…

A:

Q: Two copper wires A and B have the same length and are connected across the same battery. If Rg =…

A:

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: A battery is rated that it provides 1.0 mW of power at 9.0 V when fully charged. How do you…

A: Given:Power rating of a battery = 1 mWVoltage = 9 V

Q: You are given a number of 39Q resistors, each capable of dissipating only 4.3 W without being…

A: We have givenA number of 39 ohm resistors and each PowerP 4.3 W without being destroyed.

Q: When a R= 90.9 a resistor is connected across a 12 V battery, a current of 123 mA flows. What is the…

A: Given data:  Resistance (R) = 90.9 Ω Battery emf (ε) = 12 V Current (I) = 123 mA = 0.123 A

Q: As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with…

A:

Q: Car batteries are usually rated in A - h (ampere - hours), which is a unit of charge. This rating…

A: 1 A hr = 3600 Coulumbs  Thus 232 A hr = 835200 C

Q: When a 91.70 resistor is connected across a 6 V battery, a current of 64.2 mA flows. What is the…

A: Please see the answer below

Q: The internal resistance of a high voltage power supply is 4 MΩ and the output is set so that the…

A: Given:  Internal resistance, r=4 MΩ=4×106 Ω P.D across open circuit, ε=1800 V Load resistance,…

Q: A copper wire has a diameter 6.5 mm and resistivity 1.6x 10-8 Om. What will be the length of this…

A:

Q: Question 5 .... A current of 3.70 A is carried by a 250 m long copper wire of radius 1.25 mm. Assume…

A: current (i) = 3.70 A Length (L) = 250 m radius (r) = 1.25 mm electronic density (n) = 8.47×1028 m-3ρ…

Q: Copper wire of diameter 0.289 cm is used to connect a set of appliances at 120 V. which draw 1450 W…

A: diameter of copper wire = 0.289 cm Radius of copper wire = 0.1445 cm V = 120 volts Total power =…

Q: A cylindrical conductor has resistance of R0 = 120 Ω. It has length L, radius of the cross section…

A: Given that,resistance, R=120 Ωlength of resistor=Lradius=rresistivity=ρ

Q: 14. Calculate the ratio of voltage across to the current flowing through for the battery. bat=[8V I…

A:

Q: 3.0 A battery has an emf of 12 V and an internal resistance of 0.0500 2. What is the terminal…

A: Given : Emf (E) = 12 V Resistance (R) = 0.0500 Ω Current (I) = 8 A

Q: The total charge a battery can supply is rated in mA • h, the product of the current (in mA) and the…

A: Given: The voltage is 1.2 V. The current is 22Ω. The rating of battery is 1800 mAh.

Q: A student connects two resistors with unknown resistance values in series, and notes that the…

A: Given: Equivalent resistance when they are in series, Rs = 790 ΩEquivalent resistance when they are…

Q: Pacemakers designed for long-term use commonly employ a lithium-iodide battery capable of supplying…

A: Charge capacity of battery, Q = 0.42 A. h Average current produced by pacemaker, I = 5.6 micro amps…

Q: An aluminum wire having a cross-sectional area of 2.50 x 10-6 m2 carries a current of 5.50 A. The…

A: Given,          Area of cross-section, A=2.50×10-6 m2         Current in a wire, I=5.50 A…

Q: A 3.0-A current is maintained in a simple circuit that consists of a resistor between the terminals…

A:

Q: You apply a potential difference of 3.4 V between the ends of a wire that is 3 m in length and 0.5…

A: Ohm's law relates the Voltage across the circuit and the current flowing through the circuit. The…

Q: A 10 V battery of negligible internal circu resistance is charged by a 200 V d.c. supply. If the…

A: Given data:  Battery voltage = 10 V Internal resistance (r) = 0 Supply voltage = 200 V Resistance in…

Q: A 10 V battery of negligible internal circu resistance is charged by a 200 v d.c. supply. If the…

A: Given : V1 = 10 V V2 = 200 V R = 38 ohm

Q: When a 92.1 Q resistor is connected across a 6 V battery, a current of 62.8 mA flows. What is the…

A:

Q: An aluminum wire having a cross-sectional area equal to 4.60 x 106 m? carries a current of 7.50 A.…

A: Given, Area(A)=4.60×10^-6m² Current (I)=7.50A Density=2.7g/cm³ Drift Velocity=?

Q: An aluminum wire having a cross-sectional area equal to 5.80 x 10° m carries a current of 5.50 A,…

A: Cross sectional area (A) = 5.8×10-6 m2Current (I) = 5.50 Amperes Density of aluminum (d) = 2.7 gcm3…

Q: 3.(0) A battery has an emf of 1.5 V and an internal resistance of 0.0200 2. What is the terminal…

A: Given, I=1 AR=0.02 ΩE=1.5 volts Hence, voltage drop (V) across battery is given by:-…

Q: An initially uncharged 3.17 µF capacitor and a 8.09 k2 resistor are connected in series to a 1.50 V…

A:

Q: The figure below shows five resistors and two batteries connected in a circuit. What are the…

A: Solution:-

Q: Consider the following. R Vba = 12 V (a) Find the current through the resistor in the figure above.…

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Q: What is the current through the 10 N resistor in the figure (Figure 1)? Express your answer to two…

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Q: Figure 4 shows the arrangement of 3 resistors, which are connected to 3 sources: 70 V, 60 V and 80…

A: The following circuit diagram is shown below. Here, I1 denotes the current in resistor R1, I2…

Q: In the given circuit, find (a) the current through the 8.0ohm resistor and (b) the total rate of…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A carbon resistor at room temperature (20 °C) is attached to a 9.00-V battery and the current…

A: Given data The initial temperature is T1=20oC The potential difference of the battery is Vo=9.00 V…

Q: A capacitor with capacitance C = 2.5 μF is charged to a voltage V = 5V. It is then discharged…

A: C = 2.5 μF V = 5 volts R = 100 ohm

Q: A 160-µF capacitor charged to 450 V is discharged through a 31.2-k 2 resistor. (a) Find the time…

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Q: A resistor is found to have a resistance of 100Ωat 20oC and a resistance of 112Ω at 55o What is the…

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Q: A silver wire of radius r- 0.5 mm and resistance 0.06 n is connected to a voltage source of 6.5 mV.…

A: Given: resistance of the silver wire R=0.06 ohm Voltage applied V=6.5 mV Radius of the silver wire…