15 A teapot with a Surface area of 325 cm' to be plated with silver. It is attached to the negative electrode of an electrolytic Cell Containin Silver nitrate (Ag+ NO3-) The cell is powered by 120-V battery and has a resistance of ·son. If the density of Silver is 105×104 What time loterial does 9 D-133-mm ۱ 2 1m3 er Die
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- You have a battery marked "6.00 V." When you draw a current of 0.387 Afrom it, the potential difference between its terminals is 5.25 V. What is the potential difference Δ? when you draw 0.583 A?A cell phone battery uses chemistry to create a charge separation between the terminals (anode and cathode). Such a battery is listed as having a capacity of Q = 5.5E-08 C. Part (a) How many free electrons does the battery contain, N? Part (b) If there are 1.0 million electrons moving through the phone every second how long will the battery last in seconds? Part (c) Current, I, is given in amps which are coulombs per second. What is the current passing through the phone?are made of the same metal. 7) wires 1 and 2 wire 2 has twice the length and twice the diameter of wire 1. What are the ratios (a) Q₂/Q² of the resistivities and (b) R.2/121 of the resistance of the two wires? A) P₁/P₁ = 1, 1₂/1²₁=0.5 13) P₂/p₁ = 1, 82₂/124₁ =0.25 C) P₁/P₁ = 0.5² h₂/1²₁=0.5 D) P₁/P₁ = 0.25, 1₂₁/1²₁=0.5 2 र
- A teapot with a surface area 9 325 cm2 is to be plated with silver. It is attached to the negative electrode & an electrolytic cell containing Silver nitrate (Ag+ NO3-). The cell is Powered by a 12.0- resistance battery and has a 의 son If the density & silver is 1.05 x 104 kg/m³, Over what time Interval does a 0-133-mm Jayer of Silver build up on the teapot?!! 의- In the circuit, the potential difference across the battery is 18 V. V1 is 7.0 V and R2 = 30.0 Ω.a) Calculate the values of R1, V2, and the current through the circuit. (b) How long will it take for 12 C of charge to pass through the circuit?9:05 7 A Imssb1.mutah.edu.jo Question 8 Not yet answered Marked out of 7 P Flag question A thermometer made of Platinum has a resistance of 50 Q at 20 C, what is the measured temperature (in units of C) when its resistance is 80.3 Q. Assume the temperature coefficient of resistivity to be a= 3.92×10-3 C-1 Select one: O A. 409.69 О в. 113.99 O C. 154.59 O D. 174.59 O E. 644.79 Previous page Next page Quiz navigation 1 2 4 5 7 8 10 |13 14 |I15 |