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Units & Dimensions – 2 – 4

66. Dimensional formula for power is ……………

(a) M 2 L –2 T –3
(b) M 1 L –2
(c)1 L –1
(d) M 0–2
Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

67. Dimensional formula for calories is ……………

(a) M 1 L 1 T –2
(b) M 2 L  –2
(c) M 1 L 2–2
(d)2 L 2–2
Answer
Answer : (c)

Explanation
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68. Dimensional formula for thermal conductivity (k) is …………..

(a) M 2 L T –2 K –1
(b)11 –2 K 1
(c) M 1 L –3 –1
(d) M 1 L –3 K –1

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

69. Dimensional formula for Resistance (R) is ……………

(a) M 1 L T –3 A –1
(b)11 0 A -1
(c) M 1 L –3 A –2
(d) M 1 L –3 A –1

Answer
Answer : (c)

Explanation
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70. Dimensional formula for conductance is ……………

(a) M –1 L T –3 A 2
(b)12 –2 A 1
(c) M 1 L –2 3 A 2
(d) M –1 L –2 3 A 2

Answer
Answer : (d)

Explanation
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