10th Class Physical Science Chapter wise Important bit bank in English

46. The resistance of a conductor depends on the ________ of the conductor.

47. In the equation R = ρ . Here ‘ρ’ is called _________ or _____________.

48. The SI unit of resistivity is _______.

49. The unit of resistance is _________.

50. The reciprocal of resistivity is called _________.

51. Metals with low resistivity behave as ___________.

52. A closed path created by the connecting wires through a battery along which electrons can flow is called a ____________.

53. The resistors are connected in series combination the resultant resistance is _________ to sum of individual resistances. (R=R1+R2+R3).

54. The resistors are connected in parallel combination the resultant resistance is equeal to _________ of individual resistances.(R = or R =

55. Alloys like Nichrome is made from ____________.

56. Alloys like Manganese is made from __________, 12%manganese and 2% nickel.

57. 1 KW = __________

58. 121. The unit of electric power consumption is equal to ______________.

59. 1 KWH = _________________

60. The electric appliances at our home are in _____________.

61. Total current drawn from the mains is equal to the sum of the currents passing
through each device is called _____________.

62. The minimum and maximum limitof current that can be drawn from the mains is _________.

63. The maximum current that we can draw from the mains is _______A.

64. When the current drawn from the mains is more than 20A. This is called ___________.

65. All the electric devices are saved from damage that could be caused by overload.We can save the house holding wiring and devices by using _________.