1. The switch has been in position a for a long time. It is switched to position b at t = 0.0 s 9.0 V a b 17 2.0 με ww 50 Ω a. What is the charge Q on the capacitor immediately after the switch is changed? b. What is the current I through the resistor immediately after the switch is changed? c. What is the charge Q on the capacitor at t = 50 μs? d. What is the current / through the resistor at t= 50 μs?

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HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.