Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

 1000 Ω
 250 Ω
 25 Ω
 500 Ω

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Power Systems
The VSWR of transmission line is

 Directly proportional to characteristic impedance and inversely to load impedance.
 Proportional to load and characteristic impedance.
  Directly proportional to load impedance and inversely to characteristic impedance.
 Directly proportional to voltage minimum and inversely proportional to voltage maximum.

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