In a 12 volt electrical system what resistance is required to create a 1.2A currents ?
Using Ohm's law, we have V = IR. Therefore to calculate
resistance we have the formula R= substituting
the values of V (=12V) and I (=1.2A) we get R =
= 10 ohm
In a 12 volt electrical system what resistance is required to create a 1.2A currents ?
A 12-volt electric accumulator supplies a current of 10 amps at a resistance for 0.20h. a) indicate if the accumulator develops a positive, negative or zero work during the process. b) if the system includes both the accumulator and the resistance, indicate whether the work is positive, negative or zero.
2. Consider a system with two electrical line currents in the +z direction, 11-1 and 12-21 located at Fi and F2, respectively, with all coordinates defined as in the previous problem. (a) Sketch the field lines corresponding to the total magnetic field in the xy plane due to the two line currents. (b) If the vectors FiP and hP that point from the line currents to the field point are different than in the previous problem, determine them and their...
A 12 volt car battery runs a headlight which has a 3 ohm resistance. The current through the lamp is:
Related to maths
In a given electrical network, the equations for the currents .., are given by +1 +11,0 21 - â‚‚ + 1 = 5.4 4+21,-1= 9.2 Use Gaussian elimination method to evaluate the three currents (10 mark Question 2 The matrix A of the system 1X = AX is given by 10 A=3 4 0 2 2 (a) Find the eigenvalues of A. (8 m (b) Determine the corresponding eigenvectors of A. (12 m 36 weet nhunted States
Ohm's Law Advance Study Assignment Read the experiment and answer the following questions .1. What is the definition of electrical resistance 2. What is an "ohmic" resistance? Are all resistances ohmic in nature? 3. In what ways are liquid and electrical circuits analogous? 4. For a series circuit, what is the terminal voltage of a battery or power supply equal to in terms of the potential differences or voltage drops across circuit components?
An appliance is rated at 600 Watts when supplied by a 120 volt electrical supply. What current will flow through it (in amps)?
6. (5 points) A 12 Volt battery with a 3 Ohm internal resistance is connected to a circuit as shown below. W a.) What percent of the power being expended by the battery is dissipated over the 24 resistor (i.e. being by the 24 resistor)? (note that you are going to have to figure out several things along the way to 24 12 arrive at the answer) 492 -W 512 PW 12V 1222 b.) If you measure the voltage between...
Determine the currents through
the various branches of the electrical network in the figure
below.
Determine the currents through the various branches of the electrical network in the figure below. 46 volts 2 ohms 3 ohms l ohm 5 ohms (a) when battery C is 39 volts amps amps amps 12 - (b) when battery C is 53 vclts amps amps amps 12- Note how the current through the branch AB is reversed in (b). What would the voltage of...
An air conditioner on a 240 volt line has 40 Ohms of resistance. What is the current? What is the power output?
what resistance would produce a current of 120 amps from a 6-volt battery?