Consider the following statements in respect of two types of a dynamometer wattmeter connections are shown below the figure (a) and figure (b).
1. Figure (a) is used when applied voltage is high and load current flowing is low.
2. Figure (b) is used when applied voltage is low and load current flowing is high.
3. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be increased.
4. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be reduced.
Which of the statements given above are correct?

A. Only 1 and 2

B. Only 3 and 4

C. 1, 2 and 3

D. 1, 2 and 4

Answer: Option C