WebA cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure12.1. The current recorded in the ammeter will be (a) maximum in (i) (b) maximum in (ii) (c) maximum in (iii) (d) the same in all the cases WebOct 25, 2024 · The ammeter in the figure below reads 1.0A. Calculate the magnitude of the currents I1 and I2. - 28976562. EllainaW236596 EllainaW236596 10/25/2024 Physics ... • Ammeter reading, I = 1.0 A,,, Let's find the magnitude of the currents in I1 and I2. Apply Kirchhoff's Current Law. We have:
The ammeter in the figure reads 9.0 A. Find I_1, I_2, and E.
WebNov 5, 2024 · Suppose you want 10 V to produce a full-scale deflection of a voltmeter containing a 25-Ω galvanometer with a 50-μA sensitivity. Then 10 V applied to the meter must produce a current of 50 μA. The total resistance must be: (20.4.1) R t o t = R + r = V I = 10 V 50 μ A = 200 k Ω. WebMar 30, 2016 · Mrs. Stowell Science comcast happy valley oregon
Figure 4 shows an electrical circuit. When the switch is closed, the ...
WebSee Page 1. 18) For the circuit shown in the figure, what current does the ideal ammeter read? A) 0.033 A B) 0.078 A C) 0.23 AD) 0.12 A Answer: A Var: 1. D ) 0.033 A. Internal resistance is zero in ideal ammeter, so as to drop as slight voltage drop as possible as current flows through it. WebExpert Answer. When switch S in (Figure 1) is open, the voltmeter V of the battery reads 3.09 V. When the switch is closed, the voltmeter reading drops to 2.87 V, and the ammeter A … WebThe voltmeter has a very high resistance and the ammeter also has some resistance. The voltmeter reads 1.52 V when the switch S is open. When the switch is closed the voltmeter reading drops to 1.45 V and the ammeter reads 1.0 A. Find the emf and the internal resistance of the battery. comcast hanging