You are given a spotlight which takes 2 amperes of current designed to work off a 6-volt battery. If the available source is a 12-V battery, what values of resistance would you need to connect in series with the spotlight before you could safely switch it on? Draw the circuit diagram and show the values of voltages and currents.

Q: When a resistor is connected to a 12 V source, it draws a 185 mA current. The same resistor…

A: Ans:- Image-1

Q: 7. A 9-V battery is hooked up to two resistors in series using wires of negligible resistance. One…

A: Ohm's law is defined as V=IR Here V is the potential difference, I  is current and R is resistance.

Q: VB1 R1 ww 13 R5 R3 w VB2 ww R2 w R4 In the circuit above, the current through R5 (labeled as 13) is…

A: Step 1:Step 2:  Step 3: final answers

Q: All of the resistances in the figure are 1 ohm each. (a) What is the total resistance? (b) What is…

A:

Q: The figure below shows with two batteries and three resistors. The potential difference across the…

A: Given that: The current flowing in the three resistors are assumed to be I1, I2 and I3. We have also…

Q: A 8.0 V battery is connected to four light bulbs (It has four resistors 3 ohms, 4 ohms, 5ohms, and 5…

A:

Q: circuit with a battery, a 9 Ω resistor, a 18 Ω resistor, and a 24 Ω resistor in parallel. The total…

A: Equivalent resistance in parallel  1/R = 1/R1 + 1/R2 + 1/R3

Q: What is the output voltage of a 3 V lithium cell in a digital wristwatch that draws 0.32 mA, if the…

A: Solution of the above mentioned problem is provided below for further queries u may ask in comments…

Q: In the circuit shown to the right the current through the 6.00kΩ resistor is 1.50mA and the voltage…

A: Ohm's law states that the potential difference V across a conductor is directly proportional to the…

Q: Three resistors- R1= 25ohms, R2= 40ohms, and R3=35ohms are connected to a 12-V battery. The internal…

A:

Q: Design an electrical circuit with 4 resistors out of which 2 resistors must be connected in parallel…

A:

Q: 7. In the following set-up, resistor Ri and R2 has the color code: R1 = yellow, violet, red, gold;…

A: As per figure / circuit diagram :  Batteries are connected in series     a) So equivalent voltage V…

Q: and in the in Figure are 21 A 14 A, respectively. a) Find the power supplied by each voltage source.…

A:

Q: resistors are connected in series with an 27.39 volt battery. The resistors have values of R1 = 1.60…

A:

Q: A 12.0 V battery is hooked up with three resistors (R1, R2, and R3) in parallel with resistances of…

A:

Q: An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of…

A: Write the equation of Ohm’s law. Here, I represents the current and R represents the resistance.

Q: 1. A circuit containing six resistors is connected to a battery with emf equal to 35 V and zero…

A:

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: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal…

A:

Q: 7. A 100 Ohm, 200 Ohm, and 500 Ohm resistor are connected in parallel. These are then connected to…

A: The equivalent resistance of resistors connected in parallel is given as:1Rp=1R1+1R2+1R3+.... Ohm's…

Q: resistor is connected across the battery. What is the internal resistance of the solar cell: The…

A: Since you asked more than three sub-parts of a question, according to our guidelines we would only…

Q: Consider the circuit shown in the figure below. The battery has a voltage of 25.0 V. (Assume R, 10.0…

A:

Q: Before leaving the house in the morning, you plop some stew in your slow cooker and turn it on Low.…

A:

Q: 16 Q w 80 ++ 60 ww 202 w 2092 In the diagram, the current of the circuit in the 8 ohm resistor is…

A:

Q: Consider the circuit below. The battery has an open-circuit voltage of ɛ = 30 V and an internal…

A:

Q: A circuit containing seven resistors is connected to a battery with emf equal to 24 V and zero…

A: Given:-  A circuit  is given as    Find:-  What is the current in the circuit?  What is the…

Q: and gives a full scale deflection with a current of 1.0 x 10°A. In order to adapt this meter to read…

A: Given values:- Resistance,(R)=75 Ω -----(1) Current deflection,(I)=1 x 10-3 Amp -----(2) New current…

Q: circuit consists of three resistors connected in series to a 24 V battery. The current is 0.032 A.…

A:

Q: The image shows a circuit diagram that includes a battery with an emf of 10.0 V, some resistors, and…

A: (a) To calculate Req Req=35.0 + (42*7/(42+7)) + 14 = 55 ohm

Q: Three resistors in parallel have an equivalent resistance of 15 Ω . Two of the resistors have…

A: Three resistors are connected in parallel connection having equivalent resistance Req = 15 Ω and the…

Q: Three resistors are hooked up in parallel with a 12 volt battery. The resistor values are 150 ohms,…

A: Draw the circuit diagram of the arrangement.

Q: Three identical resistances, each 15 Ω, are connected in parallel with one another as shown. The…

A:

Q: The circuit shown consists of four resistors and a 48 Volt power supply. Resistance values are shown…

A: Draw the currents in the circuit.

Q: An ammeter is used to measure the current flowing through a circuit consisting of only two resistors…

A: Solution: Given that V = 25 V R1  = 24 Ohm I = 0.6 Amp

Q: Three resistors are connected as shown below. R1 = 3.0 Ω, R2 = 6.0 Ω, and R3 = 8.0 Ω. The voltage…

A: I1 = 4.0 AExplanation:To solve the problem, we will first treat R1 and R2 as a single entity, R12,…

Q: A solar cell generates an EMF of 12 V. The terminal potential difference of 9.6 V is measured when a…

A:

Q: A 9.0 V battery is connected to three resistors as shown in the figure below with R₁ = 502, R₂ 100 ,…

A:

Q: A 100 Ohm, 200 Ohm, and 500 Ohm resistor are connected in parallel. What is the total current…

A: Given: Resistances are, R1=100 ΩR2=200 ΩR3=500 Ω E.M.F. of battery ε=60 volt

Q: 2. Each resistor in the circuit below has a resistance of 3 ohm. The voltage supplied by the battery…

A:

Q: Two resistors are connected in series with an 15.19 volt battery. The resistors have values of R1 =…

A: Current=15.19 A

Q: In the circuit shown in the drawing, each resistor has a resistance R = 460 n. What is the current /…

A:

Q: A 10 v battery with an internal resistance of 2 ohms is attached to a 30 ohm resistor. What  is the…

A:

Q: A simple circuit contains a 12 V battery and a light bulb with a resistance of 40 Ω. What is the…

A: