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A type of circuit breaker which can work up to 15 kV and the rupturing capacity of that circuit breaker is 2500 MVA. Determine the type of circuit breaker mentioned in the context and shown in the given figure.
It is a circuit breaker in which the heat generated by the high current in the medium between the contacts is sufficient to ionize the medium. Which medium is used in the circuit breaker?
A circuit breaker is a piece of equipment which can (i) make or break a circuit either manually or by remote control under normal conditions. (ii) break a circuit automatically under fault conditions. (iii) make a circuit either manually or by remote control under fault conditions Choose the correct answer. 
In comparing the operation of the half-controlled 2-pulse circuit with that of the fully-controlled circuit, which of the following statements are evident? 1. Since half the thyristors are replaced by diodes, a half-controlled converter costs less than a fully-controlled converter. 2. Due to the freewheeling action with a half-controlled bridge-circuit power factor is improved in half-controlled converters. 3. The AC supply current is more distorted due to its zero periods with the half-controlled circuit, compared to a fully-controlled bridge circuit. Select the correct answer using the code given below :
Determine $${I_{\text{N}}}$$ for the circuit consisting of VS, R1, R2 and R3 shown in the given circuit.
Circuit Theorems and Conversions mcq question image
For the given circuit, find VTH for the circuit external to RL.
Circuit Theorems In Ac Analysis mcq question image
Find the Norton circuit, that is, IIN and RN, for the circuit given below.
Circuit Theorems and Conversions mcq question image
Referring to the given circuit, find ZTH for the part of the circuit that is external to RL.
Circuit Theorems In Ac Analysis mcq question image
For the circuit shown, determine ZTH for the portion of the circuit external to RL.
Circuit Theorems In Ac Analysis mcq question image
Which of the following correctly represents the sequence of operations of isolator circuit breaker and earthing switch while opening a circuit