A 1.5V AA battery has a measured open-circuit voltage of 1.62 V and a measured short- circuit current of 3.6 A. What is the terminal voltage when a 1 ohm resistor is placed across it?
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- What is the equivalent resistance (in Ω) seen at the terminal of the 7.5V voltage source? (up to 2 decimal places)A battery with EMF of 4V and an internal resistance, r = 0.80 is connected to a load resistance R = 76 . Determine its terminal voltage.Design a CT to measure a current of 2000A, if a ammeter of (0-20A) is to be used for the measurement process.
- A voltmeter with resistance ‘RV ’ is connected in parallel with resistance of 100 ohms. The applied voltage V= 100V. Determine the error (E) & percentage error (%E) in the measurement of voltage (V) due to loading effect of voltmeter when RV =1M ΩDesign a multirange voltmeter to obtain the voltage ranges of 0-10V, 0-50V, 0-100V, 0-500V. Im= 2mA and ra = 50 2. then will draw.Calculate the maximum input voltage that will maintain the voltage across the load at 11 V when R=218 ohm, RL = 990 ohm with Zener current limited to a maximum of 94 mA.
- A battery with EMF of 6V and an internal resistance, r= 0.65 ohms is connected to a load resistance R=58 ohms. Determine its terminal voltage.For the circuit shown below, an ammeter connected across the output of the black box reads .04A while a voltmeter connected across the same two points reads 6V. Determine the equivalent Thevenin resistance and voltage as seen between those points.A 12-volt battery is connected to a series circuit in which the conductance is 0.5 henry and the resistance is 10 ohms. Caleulate the current I if the initial current is zero.
- wo storage batteries A and B are connected in parallel for charging from a DC source having an open circuit voltage of 14V and an internal resistance of 0.15 ohm. The open circuit voltage of A is 11V and that of B is 11.5V. The internal resistances of A and B are 0.06 ohm and 0.05 ohm respectively. Calculate the initial charging currents.Calculate the voltage at the 2 mA current source in the figureA 15V battery is in series with a 13 ohms resistor, an open switch, and a 220mH inductor. How much current will be flowing in the circuit after 13ms?