A moving coil galvanometer has a resistance of 10 ohm and gives a full scale deflection when a current of 20 mA is passing through it. How can it be converted into voltmeter with a range of 150 V?
Q: 0.4 고 6V H www 20 л А. лееее 0.1 H ДАМА S 10 л
A:
Q: Integrated ConceptsThe motor in a toy car is powered by four batteries in series, which produce a…
A: E M F, E = 6 V current, I = 3 A back e m f, V = 4.5 V internal resistance, r = 0.1 Ω
Q: A wire 2 m long moves perpendicular through a 0.08 I field at a speed of 7 m/s. What EMF is induced?…
A: Given that:-Length of the wire, l=2 mMagnetic field, B=0.08 TSpeed, v=7 m/sResistance, R=0.50Ω
Q: The wiring in a motor has resistance of 3.0- Q and produces a back emf of 3.0-V when connected to a…
A: Given that,Resistance : R = 3 (Ohm)Back emf = 3 (V)EMF = 9 (V)Here we need to find the current flow…
Q: Which among the following is the distributive law for the cross product of three vectors? a)…
A: Option a
Q: draws a current of 20.0 A from a 240 V power source 15.0 m away. What is the minimum cross-sectional…
A: Given:- An electric motor draws a current of I = 20.0 A from a 240 V power source d = 15.0 m…
Q: 3. A PMMC instrument has full-scale deflection current Ima10 mA and a coil resistance RMI ks2.…
A: Solution: First all let us take a basic ammeter. A stunt resister is connected in parelles to…
Q: A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located…
A: Given: P = 1.4*106Wd = 5.6 kmr = 4.5*10-2 Ω/KmV=1600 VNs/Np=100/1
Q: 6. At t=0, the switch is closed on a, at t=RC, it is switched to b (R, = R; = R) a) Find the…
A: Given, R1=R2=R a) At t=0 switch is closed on a. The current will pass through the battery E.…
Q: A 2.5 HP motor operates at 1725 RPM when connected to 120 Volts (single phase, 100% efficient). How…
A: Given: The power of motor is 2.5 HP. The speed of motor is 1725 RPM. The voltage is 120 V.
Q: Suppose a motor connected to 117 V source draws 20.2 A when it first starts. (a) What is its…
A: current = voltage/resistance
Q: Household electrical outlets operate at 120 Volts. A microwave oven is rated at "120V, 1.0 kW"…
A: The given data are listed below with appropriate variables. Here, V denotes the potential across…
Q: A motor has an armature resistance of 3.75 Ω.If it draws 8.20 AA when running at full speed and…
A:
Q: This is a graph showing the current, in amperes, over time, in seconds. State the number of cycles…
A:
Q: Question 34.) A short circuit in a 120 V appliance cord has a 0.35 Ω resistance. 1.) Calculate the…
A:
Q: A moving coil galvan resistance of 9.8 and gives full scale deflection when a current of 10 mA…
A: To find-Shunt resistance (S)=?Given-G=9.8 ohmIg=10 mA=10-2AI=500 mA=500×10-3A
Q: A galvanometer has a coil resistance of Realy = 84.9 S2. It is to be made into a voltmeter with a…
A:
Q: A moving coil ammeter gives a full scale deflection for a current i = 60 mA and its coil has a…
A: Current for full scale deflection of a moving coil ammeter (i) = 60mA Resistance of coil (Rc) = 0.5…
Q: What is the rate at which the current though a 0.30-H coil is changing if an emf of 0.12 V isinduced…
A: We know that emf ϵ=-LdIdt dIdt=ϵL
Q: The owner of a 3 hectares piggery located at Texas owned a 5 kw of electric generator pump.…
A: Here, We Have, V = 120 and 140 volt R = 0.42 ohm
Q: A galvanometer has a coil resistance of ?galv=24.2 Ω It is to be made into an ammeter with a…
A: Given The resistance of galvanometer Rg =24.2 ohm The current for full deflection of galvanometer Ig…
Q: A moving coil galvanoi resistance of 9.8 and gives full scale deflection when a current of 10 mA…
A:
Q: Suppose a motor connected to a 120 V source draws 10.0 A when it first starts. (a) What is its…
A: Given that, Supply connected to the motor, Vs=120 V Current drawn from the supply, I=10 A Back emf…
Q: A battery is connected to a wire, and makes a current in the wire. Which of the following changes…
A: 1)From V = IR If voltage increases resistance also increases . 2)From R = R0[1 + α(T - T0)] If…
Q: Verify that the units of a volt-ampere are watts, as implied by the equation P = IV .
A: The unit of power =W (Watt) Unit of current =A (Ampere) Unit of voltage =V (Volts)
Q: A generating station is producing 1.1 x 10° W of power that is to be sent to a small town located…
A: Power generated (P) = 1.1×106 Watt distance (d) = 7.5 km resistance per unit length of each wire =…
Q: The motor in a toy car operates on 6.00 V, developing a 4.50 V back emf at normal speed. If it draws…
A: Formula of current at normal speed of car is as follows: I=Vs-VbR…
Q: A copper transmission cable (p = 1.72 × 10¬8 Qm) 250 km long and 20 cm in diameter caries a current…
A:
Q: Consider the circuit shown in the figure. S 7.20 (a) What is the current, in amperes, on the 7.2N…
A: since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Two heating coils are connected across a 100V supply takes 10A of current. The power dissipated in…
A: Given data: Two heating coils are connected across the power supply Supply voltage (V) = 100 V…
Q: A galvanometer has a resistance of 16 N and gives a full scale deflection and when a current of 20…
A: To find-External resistance (R)=?Given-Resistance of galvanometer (G)=16 ohmMaximum current which…
Q: Integrated ConceptsA light-rail commuter train draws 630 A of 650-V DC electricity when…
A: a) Using law of conservation of energy, the electrical energy is equal to change in kinetic energy.…
Q: A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located…
A: Power generated (P) = 1.4×106 Watt distance (d) = 5.6 km resistance per unit length of each wire =…
Q: An array of solar panels produces 8.65 A of direct current at a potential difference of 148 V. The…
A: Given: A solar panel produces a current of 8.65 A at a potential difference of 148 V. The…
Q: The magentic field through a single loop of wire 16.0 cm in radius and of 8.5 ohm resistance changes…
A:
Q: Determine which df th fo llowing" equations. can be eigen function equation +and qive tk values an…
A: Since we know Eigen value should satisfy , A^x=ax a. dsinπx2dx= π2cos x=Not eigen function…
Q: Integrated Concepts Hydroelectric generators (see Figure) at Hoover Dam produce a maximum current of…
A: (a) The power output is given by, Pout=IV Here, I is the current and V is the voltage. Substituting,…
Step by step
Solved in 2 steps with 2 images
